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

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


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

Reorder the terms for easier multiplication:
-3f = (-3x2) + -4

Reorder the terms:
-3f = -4 + (-3x2)

Solving
-3f = -4 + (-3x2)

Solving for variable 'f'.

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

Divide each side by '-3'.
f = 1.333333333 + x2

Simplifying
f = 1.333333333 + x2

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