Question

Factorize:

u²− 16
please tell me the solution of this question​

Answer 1

Answer:

u²-16

(u)²-(4)²

we know a²-b²=(a+b)(a-b)

Then here a=u and b=4

(u+4)(u-4) Ans

Answer 2

$u ^{2} = {16}$

$u = \sqrt{16}$

U =+/-4