BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 1.5, Problem 47E
To determine

Solve the equations by factoring.

Expert Solution

Answer to Problem 47E

  x=32,52

Explanation of Solution

Given information:

  4x24x15=0

Formula used:

Splitting the middle term:- in this method, middle term is splitted in such a way that the product of its part is equal to the product of constant and first terms coefficient.

Calculation:

  4x24x15=0

Splitting middle term in such a way that product of its part is equal to product of constant and coefficient of first term.

  4x24x15=04x210x+6x15=02x(2x5)+3(2x5)=0(2x+3)(2x5)=0

  x=32,52

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