Question

Factorise it
(With explanation)

Answer 1

Answer

(2a-3 +7b) (2a-3b-7b)

Step-by-step explanation:

=(4a^2 -12a +9) - 7b^2

={2a -3)^2 - (7b)^2

=(2a-3 +7b) (2a-3-7b)

note:- (^) is square sign. eg:- 4a^2 means 4a square