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Zepler [3.9K]
3 years ago
10

Is -2 a solution to 4x^(3)-x^(2)+16x-4

Mathematics
1 answer:
sergiy2304 [10]3 years ago
3 0

Answer:

Not a solution

Step-by-step explanation:

In order for x=-2 to be a solution, the result after substituting must be 0:

4(-2)^3-(-2)^2+16(-2)-4\stackrel{?}{=}0

4(-8)-4-32-4\stackrel{?}{=}0

-32-40\stackrel{?}{=}0

-72\neq0

Therefore, x=-2 is not a solution to 4x^3-x^2+16x-4

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