Question

factorize by using suitable identities:- (4a+7b)²- (3a+8b)²​

Answer 1

Answer:

(7a+15b) (a-b)

Step-by-step explanation:

we have identity, a²​-b²​ = (a+b)(a-b),

so,  (4a+7b)²- (3a+8b)²​ = (4a+7b+3a+8b) (4a+7b-3a-8b)

                                     = (7a+15b) (a-b)