f(x)=10x^4+11x^3-42x^2+7x+12

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Solution for f(x)=10x^4+11x^3-42x^2+7x+12 equation: 


Simplifying
f(x) = 10x4 + 11x3 + -42x2 + 7x + 12

Multiply f * x
fx = 10x4 + 11x3 + -42x2 + 7x + 12

Reorder the terms:
fx = 12 + 7x + -42x2 + 11x3 + 10x4

Solving
fx = 12 + 7x + -42x2 + 11x3 + 10x4

Solving for variable 'f'.

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

Divide each side by 'x'.
f = 12x-1 + 7 + -42x + 11x2 + 10x3

Simplifying
f = 12x-1 + 7 + -42x + 11x2 + 10x3

Reorder the terms:
f = 7 + 12x-1 + -42x + 11x2 + 10x3

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