Question

split the middle term: x^2-8x-1280​

Answer 1

The value of x=-32 and x=40

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Answer 2

Hey mate here is your answer.....

x^2-8x-1280

x^2-40x+32x-1280

x(x-40)+32(x-40)

(x+32)(x-40)

x=-32 or 40

Therefore x=40