1. Expand and simplify each expression. a) (8x – 3) (6x + 7) b) 3(2x + 1) – 2(x -5)?

Q: write the answer in scientific notation (7.1 * 105)(5 * 10-7) ?

A: Given:

Q: In Exercises 19-22, simplify each algebraic expression. 19. 5(2r – 3) + 7x 20. (5x) + [(3y) + (-3y)]…

A: We have to simplify the expression: 19. 52x-3+7x20. 155x+3y+-3y--x21. 34y-5-7y+2 19. Simplifying the…

Q: 1. Determine the value of the third term that makes each expression a perfect square. a) x + 8x b) x…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: If C = n2 - 2 and B = 3n + 8n2 + 2, find an expression that equals | 3C + 2B in standard form.

A:

Q: 6. Simplify. Write the answer in standard form.* (2x + 1) 4x +1 4x +4x + 1 O A 4x +2x + 1 2x +4x + 1…

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Q: 22 - x+6 *- 3 22 – 4 2-2 2 + 2x +1 *+1

A: Solution

Q: implify the following expression 9x-7x +4x-13 3x+2 17 3x -2x2-x+2- 3x+2 1. 6. 3x -2x2-x+2- 2. 3x+2…

A:

Q: What is the product of 2.8 x 10° and 7.7 x 10° expressed in scientific notation?

A: use the basic property of exponents

Q: 7. Classify each entry as mathematical expression or a mathematical sentence. 1. V27 2. 2x + 3 3.…

A: A mathematical sentence is a is a sentence that can be identified as either true or false while a…

Q: ) First, rewrite the expression by combining like termns. 21r 7 9r- 8- 2r

A:

Q: 7. Simplify. x2+3x+1

A: The given expression is, x2+3x+1. From the given expression it can be noted that there are no like…

Q: Select all expressions that are equivalent to 16x – 12 – 24x + 4.   A. 4 + 16x – 12(1 + 2x)   B.…

A: Given expression:  16x-12-24x+4  = -8x-8   Rearranging expressions in equation 1 4+16x-24x-12 =…

Q: 22x+ 45 22x+ 45 Select all expressions that can be simplified to x* -9 or 2x 2x O 22x 45 2x 2x 44x…

A: 1.        22x/2x + 45/2x = (22x+45)/2x Hence option 1 is correct.  2.        44x/4x + 180/8x…

Q: Determine A and B in terms of a and b. ax + b 2-4 4. x+2

A:

Q: Find A1 if it exists. 2-5 A = 1 3

A:

Q: Simplify the fractional expression. (Expressions like this arise in calculus.) Vi-(7) x2 16 — х4

A: Simplify the square first. Square of square root cancels.

Q: See image below

A: Given, expression

Q: 1 Which expression is equivalent to 4x – 5? Select all that apply. -- A A 3(2x - 5) - 2(x - 5) В 3х…

A:

Q: 12. Express the following quotient in simplest form without the use of negative exponents. 5x'y"…

A:

Q: The number of terms in 5x + 2x + 7

A:

Q: 4. Expand and simplify each expression. a) (5x- 1) (x + 3) =5x2+15x-

A:

Q: Evaluate the expression forh = -1. -15 - 18h %3D Submit

A:

Q: - 209 + कर х Find a 18.6 25.0 0= - X 48800x²

A: The given equation is  -209x2+9.8148600x2-0.57x=0

Q: 2. Use this expression to answer the questions that follow 7x +5x- 3x2 + 12 - 6x - 4 + x²

A:

Q: When 0.3(4x – 8) – 0.5(–2.4x + 4) is simplified, what is the resulting expression

A:

Q: 2. A number is shown in expanded form. 7x1+9x A+8 x 1,000, What is the number in decimal form?

A: Answer is 7.908

Q: Write the answer in scientific notation (6.1 * 105)(4 * 10-9) ?

A:

Q: 2x 4 5) x²-6x-16 2x2-128

A:

Q: Simplify the fractional expression. (Expression like these arise in calculus.)

A: Given :          The expression is 1 + x1 - x22   To simplify the above expression.

Q: Which of the following expressions is equivalent to (5x – 3) (2x-3)

A: We will expand the given expression using the FOIL method: (5x-3)(2x-3) =5x(2x) -5x(3) -3(2x) -3(-3)…

Q: Select the expression that is equivalent to (2x + 3)² 2x +3 1 2x+3 O (2x+3)² 1 (2x+3) 2

A:

Q: what is y=-4(x+5)^2-16 in standard form

A:

Q: Evaluate the expression for p = -1. -9p %3D Submit

A: We evaluate the expression by putting the value of p

Q: 7. Write each expression in the form of a+ bi -V-27 +5V- 81 – 343 – V64 b. -9--27-2-729 – V49 c. -3…

A: According to question given :(a) --273+5-81-3433-64We know that -27=-33,81=92 , 343=73,…

Q: (Зл — 1)! Simplify. 2!(3n + 1)!

A:

Q: 2. Select all expressions that can be subtracted from 9x to result in the expression 3x +5. A. -5 +…

A: LET THE ANSWER IS A THEN, 9X-A=3X+5 *GIVEN IN QUESTION

Q: Simplify the fractional expression. (Expression like these arise in calculus.)

A: 1+x3-14x32

Q: I need help with expotential expressions...   For example 5^-2

A: An exponential expression is one which contains an exponent. The Laws of exponents are used to…

Q: * Question 2 Which part of the expression (x - 7)+3x - 4 (5x + 1)-(8 –6) is a term? | A x - 7 В 3x 8…

A: To find Which part of the given expression is a term.

Q: Find the quotient of (2x-5x? + 7) ÷ (x - 3). 2x2 + x + 3 + 16/(x-3) O 2x? + x + 3 - 2/(x-3) 2x2 + x…

A: Given; (2x3-5x2+7)/(x-3)

Q: If the expression 4x 4 is written in the form ax'y°, then what is the product of a, b and c?

A: Solving the problem by simplifying it.

Q: 12. 4x - 4x + 1 = 0

A: We will find discriminant as When  ax2+bx+c=0 is the given polynomial then b2−4ac  known as the…

Q: Fill in each blank so that the resulting statenment is true. 3x-42-216x= (x-14x-72)=_(x+4)(x_U…

A: Solution-

Q: 2. Expand and simplify the expression using FOIL (2x-7)2 - (3x- 2)(x – 12).

A:

Q: What is the standard form of 2.29 x 10^-7 ?

A: We can write the standard form as below,

Q: 1. Simplify the expression. 4(x – 7)³(x + 1)³ - (x + 1)*(3)(x – 7)² (x – 7)6

A:

Q: 14) Find the domain of the following expression: V3x - 5 x2-11x + 28

A: