Answer
$(x+2)^2$
Work Step by Step
Given: $x^2+4x$
We need to add $2^2$ to complete the square.
Thus,
$x^2+2x+2^2=x^2+2^2+(2)(x)(1)$
Apply sum of polynomial formula.
or, $x^2+2^2+(2)(x)(1)=(x+2)^2$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 8 - Section 8.1 - The Square Root Property and Completing the Square - Exercise Set - Page 593: 24
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
