F(5)=4x^2+3x-4

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Solution for F(5)=4x^2+3x-4 equation: 


Simplifying
F(5) = 4x2 + 3x + -4

Reorder the terms for easier multiplication:
5F = 4x2 + 3x + -4

Reorder the terms:
5F = -4 + 3x + 4x2

Solving
5F = -4 + 3x + 4x2

Solving for variable 'F'.

Move all terms containing F to the left, all other terms to the right.

Divide each side by '5'.
F = -0.8 + 0.6x + 0.8x2

Simplifying
F = -0.8 + 0.6x + 0.8x2

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