Question

Factorize:- (x+4)^2 +4(x+4)-21

Answer 1

Step-by-step explanation:

I hope this helps you .Please mark it as brainliest also follow me...

Answer 2

(x+4)^2 +4(x+4) - 21

= (x+4)(x+4 + 4) - 21

= (x+4)(x+8) - 21

= x^2 + 12x + 32 - 21

= x^2 +12x + 11

= x^2 + 11x + x + 11

= x(x+11) + 1(x+11)

= (x+11)(x+1)