Question

If and are the Zeros of quadratic polynomial f(x)=3x2-5x -2 , then evaluate 2+2

Answer 1

f(x) =3x^2-5x-2

f(x)=3x^2+6x-1x-2

f(x)=3x(x+2)-1(x+2)

f(x) =3x-1=0. x+2=0

f(x)=3x=1. x=-2

f(x)=1/3. x=-2

1/3, - 2 are the zeroes of the quadratic polynomial

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