Big Ideas Math - Algebra 1, A Common Core Curriculum

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 - 7.2 - Multiplying Polynomials - Exercises - Page 369: 38

Answer

$t^3-7t^2+11t-2$.

Work Step by Step

The given expression is $=(t-2)(t^2-5t+1)$ Distribute $(t^2-5t+1)$ to each term of $(t-2)$. $=t(t^2-5t+1)-2(t^2-5t+1)$ Use distributive property. $=t(t^2)+t(-5t)+t(1)-2(t^2)-2(-5t)-2(1)$ Multiply. $=t^3-5t^2+t-2t^2+10t-2$ Combine like terms. $=t^3-7t^2+11t-2$ Hence, the product is $t^3-7t^2+11t-2$.
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