Answer
$t^2-49$.
Work Step by Step
The given expression is
$=(t-7)(t+7)$
Use sum and difference pattern $(a-b)(a+b)=a^2-b^2$.
We have $a=t$ and $b=7$.
$=t^2-7^2$
Simplify.
$=t^2-49$
Hence, the product is $t^2-49$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 7 - Polynomial Equations and Factoring - 7.3 - Special Products of Polynomials - Exercises - Page 375: 15
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