Answer
$t^{2}$-169
Work Step by Step
Applying the formula (a+b)(a-b)=$a^{2}$-$b^{2}$,
we have (t+13)(t-13)=$t^{2}$-$13^{2}$=$t^{2}$-169.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - 8-4 Multiplying Soecial Cases - Practice and Problem-Solving Exercises - Page 508: 30
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