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Evaluate -2x^3-3x^2+4 for x=-2
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Evaluate -2x^3-3x^2+4 for x=-2

User Robert Dupuy
by
3.7k points

1 Answer

2 votes

Answer: 8

Explanation:

1. Rewrite the equation:

-2x^3 - 3x^2 + 4 x = -2

2. Plug in the value of x, -2

-2(-2)^3 - 3(-2)^2 + 4

3. Use order of operations (PEMDAS):

-2(-8) - 3(4) + 4

= 16 - 12 + 4

= 8

User Graeme G
by
4.4k points
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