Question

-x²+7x+8 factorise each of the following​

Answer 1

Answer:

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Step-by-step explanation:

$-x²+7x+8$

$[Dividing \: this \: equation \: by \: -1 , we \: get:]$

$x²-7x-8$

$= x²-8x+x-8$

$= x(x-8)+1(x-8)$

$= (x-8) (x+1)$

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Answer 2

Answer:

$(x - 8)( - x - 1)$

Step-by-step explanation:

${ - x}^{2} + 7x + 8 \\ = { - x}^{2} + 8x - x + 8 \\ = (x - 8)( - x - 1)$

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