Question

full solution of question 3.​

Answer 1

3)

i) x^2 + 6x+3x+18

x(x+6)+3(x+ 6)

(x+3)(x+6)

ii)2(-r^2-r+42)

-2(r^2+7r-6r+42)

-2r(r+7)+12(r+7)

2(6-r)(r+7)

Answer 2

I do only 1st

I was unable to attend 2 and 3 I tried hard but I was unable so sorry