Question

factorise (3x-2y)^2+3(3x-2y-10)​

Answer 1

Answer:

(3x-2y+5) (3x-2y-2)

Step-by-step explanation:

(3x-2y)^2 + 3(3x-2y)-10

Assume that 3x-2y=a

therefore,

(3x-2y)^2 +3(3x-2y)-10

=a^2+3a-10

=a^2+5a-2a-10

=a(a+5)-2(a+5)

=(a+5) (a-2)

=(3x-2y+5) (3x-2y-2)