Answer
$x^4+4x^2+4$
Work Step by Step
FOIL the terms in the parentheses and use the power rule to combine the exponents. Then combine like terms to simplify.
$(x^2+2)^2$
$(x^2+2)(x^2+2)$
$x^4+2x^2+2x^2+4$
$x^4+4x^2+4$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Mid-Chapter Check Point - Page 63: 22
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