f(x)=4.2x^2+6x-1

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Solution for f(x)=4.2x^2+6x-1 equation: 


Simplifying
f(x) = 4.2x2 + 6x + -1

Multiply f * x
fx = 4.2x2 + 6x + -1

Reorder the terms:
fx = -1 + 6x + 4.2x2

Solving
fx = -1 + 6x + 4.2x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -1x-1 + 6 + 4.2x

Simplifying
f = -1x-1 + 6 + 4.2x

Reorder the terms:
f = 6 + -1x-1 + 4.2x

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