Question

factorise the following (a+b)^+9(a+b)+18​

Answer 1

Answer:

(a+b)^2+9(a+b)+18

(a+b)(a+b+6) + 3(a+b+6)

(a+b+3)(a+b+6)

Answer 2

Answer:

a^2+b^2+2ab+9a+9b+18

ab(a+b+2)+9(a+b+2)

(ab+9)(a+b+2)