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

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


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

Multiply f * x
fx = 3x2 + x2 + -8x + 4

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

Combine like terms: 3x2 + x2 = 4x2
fx = 4 + -8x + 4x2

Solving
fx = 4 + -8x + 4x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 4x-1 + -8 + 4x

Simplifying
f = 4x-1 + -8 + 4x

Reorder the terms:
f = -8 + 4x-1 + 4x

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