factorize 42-x-x^2
it is urgent
Sanskriti141:
I wanna solve
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Hey
Here is your answer,
-X^2 - x + 42 =0
X^2 + x - 42=0
X^2 + 7x - 6x - 42 =0
X ( x +7) - 6 ( x +7)=0
(X+7) ( x-6)=0
X+7=0
X=-7
X-6=0
X=6
Hope it helps you!
Here is your answer,
-X^2 - x + 42 =0
X^2 + x - 42=0
X^2 + 7x - 6x - 42 =0
X ( x +7) - 6 ( x +7)=0
(X+7) ( x-6)=0
X+7=0
X=-7
X-6=0
X=6
Hope it helps you!
it is of splitting middle term
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