Math, asked by christincahcko7295, 1 year ago

if -2 is a zero of f(x)= x^3+13x^2+32x+20,the find its other zero

Answers

Answered by siddharthk7704
2
f(x)=x^3+13x^2+32x+20

Put x=-1

f(-1)=(-1)^3+13(-1)^2+32(-1)+20

f(-1)=-1+13-32+20

f(-1)=-33+33

f(-1)=0

x=-1 is a zero of polynomial p(x)
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