f(x)=-4.0x^2+0.8x-1.4

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Solution for f(x)=-4.0x^2+0.8x-1.4 equation: 


Simplifying
f(x) = -4.0x2 + 0.8x + -1.4

Multiply f * x
fx = -4.0x2 + 0.8x + -1.4

Reorder the terms:
fx = -1.4 + 0.8x + -4.0x2

Solving
fx = -1.4 + 0.8x + -4.0x2

Solving for variable 'f'.

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

Divide each side by 'x'.
f = -1.4x-1 + 0.8 + -4.0x

Simplifying
f = -1.4x-1 + 0.8 + -4.0x

Reorder the terms:
f = 0.8 + -1.4x-1 + -4.0x

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