f(x)=7x^2+4x^2-5x+8

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Solution for f(x)=7x^2+4x^2-5x+8 equation: 


Simplifying
f(x) = 7x2 + 4x2 + -5x + 8

Multiply f * x
fx = 7x2 + 4x2 + -5x + 8

Reorder the terms:
fx = 8 + -5x + 7x2 + 4x2

Combine like terms: 7x2 + 4x2 = 11x2
fx = 8 + -5x + 11x2

Solving
fx = 8 + -5x + 11x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 8x-1 + -5 + 11x

Simplifying
f = 8x-1 + -5 + 11x

Reorder the terms:
f = -5 + 8x-1 + 11x

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