f(-3)=5x^2-7x+8

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Solution for f(-3)=5x^2-7x+8 equation: 


Simplifying
f(-3) = 5x2 + -7x + 8

Reorder the terms for easier multiplication:
-3f = 5x2 + -7x + 8

Reorder the terms:
-3f = 8 + -7x + 5x2

Solving
-3f = 8 + -7x + 5x2

Solving for variable 'f'.

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

Divide each side by '-3'.
f = -2.666666667 + 2.333333333x + -1.666666667x2

Simplifying
f = -2.666666667 + 2.333333333x + -1.666666667x2

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