factorise and divide (x²+10x+21) by
(x+3)
Answers
Answered by
2
Answer:
x2+3x+7x+21
x(x+3)+7(x+3)
Step-by-step explanation:
x=-3,x=-7
hope it helps u
Answered by
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
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