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Evaluate -4x^2+ 4x - 5 at the point x = 4

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Answer to a math question Evaluate -4x^2+ 4x - 5 at the point x = 4

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1. Substitute $ x = 4 $ in the expression $-4x^2 + 4x - 5$.
2. Calculate $(-4)(4)^2$:

-4 \cdot 16 = -64

3. Calculate $4 \cdot 4$:

4 \cdot 4 = 16

4. Subtract 5:

-64 + 16 - 5

5. Simplify:

-64 + 16 = -48

-48 - 5 = -53

6. Final answer:

-61

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Evaluate -4x^2+ 4x - 5 at the point x = 4

Answer to a math question Evaluate -4x^2+ 4x - 5 at the point x = 4

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