f(3)=4x^2+8x-3

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Solution for f(3)=4x^2+8x-3 equation: 


Simplifying
f(3) = 4x2 + 8x + -3

Reorder the terms for easier multiplication:
3f = 4x2 + 8x + -3

Reorder the terms:
3f = -3 + 8x + 4x2

Solving
3f = -3 + 8x + 4x2

Solving for variable 'f'.

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

Divide each side by '3'.
f = -1 + 2.666666667x + 1.333333333x2

Simplifying
f = -1 + 2.666666667x + 1.333333333x2

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