Question

factorise a^2-(2a+3b)^2​

Answer 1

Answer:

a²- ( 2a+3b) ²

»(a+2a+3b) {a-(2a+3b) } as a²-b² =( a+b) (a -b)

»(3a+3b)(a-2a-3b)

»(3a +3b)(-a+3b)

so factors of a²- ( 2a+3b) ² are 3a +3b & (-a+3b)