f(x)=x^3+5x+x-7

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Solution for f(x)=x^3+5x+x-7 equation: 


Simplifying
f(x) = x3 + 5x + x + -7

Multiply f * x
fx = x3 + 5x + x + -7

Reorder the terms:
fx = -7 + 5x + x + x3

Combine like terms: 5x + x = 6x
fx = -7 + 6x + x3

Solving
fx = -7 + 6x + x3

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -7x-1 + 6 + x2

Simplifying
f = -7x-1 + 6 + x2

Reorder the terms:
f = 6 + -7x-1 + x2

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