## College Algebra (11th Edition)

Published by Pearson

# Chapter R - Section R.3 - Polynomials - R.3 Exercises: 65

#### Answer

$25r^{2}$ - 30rt + 9$t^{4}$

#### Work Step by Step

1. Square of a binomial $(5r - 3t^{2})^{2}$ = $(5r)^{2}$ + 2(5r)(-3t) + $(-3t^{2})^{2}$ 2. Solve exponents and multiply $25r^{2}$ - 30rt + 9$t^{4}$

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