Question

Find the zeroes of the quadratic polynomial x²-2x-8

Answer 1

x^2-2x-8

x^2+2x-4x-8

x(x+2)-4(x+2)

x-4=0. x+2=0

x=4. x=-2

4, - 2 are the zeroes of the polynomial x²-2x-8

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