Answer
$x^2-10x+25$
Work Step by Step
We square (expand) the binomial to obtain:
$$
(x - 5)^2= (x-5)(x-5)=x^2+2\cdot (-5) \cdot x+(-5)^2=x^2-10x+25
.$$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Appendix A - Review - A.3 Polynomials - A.3 Assess Your Understanding - Page A31: 72
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