SOLUTION: Determine whether the given value of x is a root of the given polynomial equation. -2+x+2x^2-x^3=0, x=-1

SOLUTION: Determine whether the given value of x is a root of the given polynomial equation. -2+x+2x^2-x^3=0, x=-1

Algebra.Com

Question 240017: Determine whether the given value of x is a root of the given polynomial equation.
-2+x+2x^2-x^3=0, x=-1
Answer by JimboP1977(311) (Show Source): You can put this solution on YOUR website!

If you put -1 into the equation you get zero. This is confirmed by the above graph.
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