Question

Find the zeroes of the polynomial X2+x-2

Answer 1

P(x) =x^2+x-2

P(x)=x^2+2x-1x-2

P(x)=x(x+2)-1(x+2)

P(x) =x-1=0. x+2=0

P(x) =x=1, x=-2

1,-2 are the zeroes of the quadratic polynomial X2+x-2

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