Question

if -1 is a zero of the polynomial f(x) x2-7x-8 then find the other zero

Answer 1

Answer:

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Answer 2

x²-7x-8 = 0

x²-8x+x-8 = 0

x(x-8)+1(x-8) = 0

(x-8)(x+1) = 0

x = 8 , x = -1

The other zero is 8.

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