Factorization: (B + 2) (B-8) + 25

Factorization: (B + 2) (B-8) + 25


(b+2)(b-8)+25
=b^2-6b-16+25
=b^2-6b+9
=(b-3)^2



Decomposition factor 49 (a-b) ^ 2-16 (a + b) ^ 2


A:
simple form
=[7(a-b)+4(a+b)][7(a-b)-4(a+b)]
=(7a-7b+4a+4b)(7a-7b-4a-4b)
=(11a-3b)(3a-11b)



Decomposition factor 16-24 (a-b) + 9 (a-b) ^ 2


=[3(a-b)-4]^2
=(3a-3b-4)^2