Answer
$x^2-2x-8$.
Work Step by Step
The given expression is
$=(x-4)(x+2)$
Use the FOIL method.
$=x(x)+x(2)-4(x)-4(2)$
Multiply.
$=x^2+2x-4x-8$
Combine like terms.
$=x^2-2x-8$
Hence, the product is $x^2-2x-8$.
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 - 7.2 - Multiplying Polynomials - Monitoring Progress - Page 367: 6
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