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DedPeter [7]
3 years ago
5

Factor completely 4n 2 + 28n + 49

Mathematics
2 answers:
umka21 [38]3 years ago
7 0

Answer:

Factor of Equation  4n^2+28n+49 is \left(2n+7\right)\left(2n+7\right)

Step-by-step explanation:

Given : Equation  4n^2+28n+49

We have to factorize the given equation completely.

Consider the given equation  4n^2+28n+49

We can rewrite 4n^2=2^2n^2 , we get,

=2^2n^2+28n+49

We can rewrite 49=7^2 , we get,

=2^2n^2+28n+7^2

Apply exponent rule, a^mb^m=\left(ab\right)^m

=\left(2n\right)^2+28n+7^2

Apply identity, \left(a+b\right)^2=a^2+2ab+b^2 ,we get,

\left(2n+7\right)^2

Thus, Factor of Equation  4n^2+28n+49 is \left(2n+7\right)\left(2n+7\right)

marysya [2.9K]3 years ago
4 0
4n^2 + 28n + 49 = 0 factorises to:
(2n+7)(2n+7) = 0
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