# Math

If 4-jx-x^2 is divided by x-4 the remainder is -4. Find k.

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1. I meant find j

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2. a little synthetic division shows that

(-x^2-jx+4) / (x-4)
leaves a remainder of -4j+12
So, we need j = 3

-x^2-3x+4 = (-x+1)(x+4)

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