Obtain all zeroes of f(x)=x3 +13x2+32x+20 if one of its zero is -2
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f (x)= x^3+13x^2+32x+20
f (-2)=(-2)^3+13×(-2)^2+32×(-2)+20
= -8+52-64+20
= 72-72=0 ans.
I hope my answer is helpful for you.
f (-2)=(-2)^3+13×(-2)^2+32×(-2)+20
= -8+52-64+20
= 72-72=0 ans.
I hope my answer is helpful for you.
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