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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 6: Q 6.59. (page 715)

Multiply: $5 x (x + 4 y)$

Short Answer

Expert verified

The required answer is $5 x^{2} + 20 x y$ .

Step by step solution

01

Step 1. Given information.

The given expression is:

$5 x (x + 4 y)$

We have to multiply the given expression.

02

Step 2. Use the distributive property to multiply.

$5 x (x + 4 y)$

Now distribute,

$= 5 x 路 x + 5 x 路 4 y$

Simplify,

$= 5 x^{2} + 20 x y$

Therefore, the value of the given expression is $5 x^{2} + 20 x y$ .

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