Question

factorise x^2+10x+21​

Answer 1

Answer:

(x+3) (x+7)

Step-by-step explanation:

x^2 + 10x + 21

Use middle term splitting

x^2 + 7x + 3x + 21

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

(x+3) (x+7) is the answer

Answer 2

︎︎

︎

︎

︎

︎

︎

︎

︎gghh hhbv hgvb hgvv hhb