Chapter 0.B, Problem 1DT

### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742

Chapter
Section

### Algebra and Trigonometry (MindTap ...

4th Edition
James Stewart + 2 others
ISBN: 9781305071742
Textbook Problem
1 views

# Expand and simplify. (a) 4 ( x + 3 ) + 5 ( 2 x − 1 )   (b) ( x + 3 ) ( x − 5 ) (c) ( 2 x   −   1 ) ( 3 x   +   2 ) (d) ( a   −   2 b ) ( a   +   2 b ) (e) ( y − 3 ) 2 (f) ( 2 x + 5 ) 2

To determine

(a)

To expand:

The expression 4(x+3)+5(2x1) and simplify it.

Explanation

Calculation:

Given, 4(x+3)â€‰â€‰+â€‰â€‰5(2xâˆ’1)

First expanding the expression,

4(x+3)â€‰â€‰+â€‰â€‰5(2xâˆ’1)=4x

To determine

(b)

To expand:

The expression (x+3)(x5) and simplify it.

To determine

(c)

To expand:

The expression (2x1)(3x+2) and simplify it.

To determine

(d)

To expand:

The expression (a2b)(a+2b) and simplify it.

To determine

(e)

To expand:

The expression (y3)2 and simplify it.

To determine

(f)

To expand:

The expression (2x+5)2 and simplify it.

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