Answer
$x^3 - 8$
Work Step by Step
RECALL:
$(a-b)(a^2+ab+b^2)= a^3-b^3$
Use the formula above with $a=x$ and $b=2$ to obtain:
$(x-2)(x^2+2x+4)= x^3-2^3 = x^3 - 8$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter R - Section R.4 - Polynomials - R.4 Assess Your Understanding - Page 47: 3
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