Verified Answer :

4n^2 + 28n + 49 = 0 factorises to:
(2n+7)(2n+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 \(\left(2n+7\right)\left(2n+7\right)\)