Question

factorise and divide (x²+10x+21) by
(x+3)​

Answer 1

Answer:

x2+3x+7x+21

x(x+3)+7(x+3)

Step-by-step explanation:

x=-3,x=-7

hope it helps u

Answer 2

Answer:

(x^2 + 10x + 21)

(x^2+7x+3x+21)

=(x+7)(x+3)

(x+7)(x+3)by (x+3)=

(x+7) answer