Question

7. Regroup and factorise the following:
(a) 3xy - 4y - 3x +4 (b) 15xy +4 +10y + 6x​

Answer 1

Answer:

a

3x(y-1)-4(y-1)

(y-1)(3x-4)

b

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

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