## Prealgebra (7th Edition)

Published by Pearson

# Chapter 10 - Test - Page 729: 15

#### Answer

$25x^2+20x+4$

#### Work Step by Step

$(5x+2)^2\rightarrow$ rewrite as a product of polynomials =$(5x+2)(5x+2)\rightarrow$ use FOIL method =$25x^2+10x+10x+4\rightarrow$ combine like terms =$25x^2+20x+4$

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