find the factorise of the x2+15x+56
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Answer:
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Answered by
10
Answer:
X= - 7 (or) x= - 8
Step-by-step explanation:
X^2+15x+56
X^2+7x+8x+56
X(X+7)+8(x+7)
(X+8)(x+7)
X=-8 or x=-7
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