Answer
$4n^2+28n+49$
Work Step by Step
Remember that the square of a binomial is the square of the first term, plus twice the product of the two terms, plus the square of the second term.
$(2n+7)^2=4n^2+28n+49$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 8 - Polynomials and Factoring - 8-4 Multiplying Special Cases - Practice and Problem-Solving Exercises - Page 495: 12
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