F(x)=7n^2-21

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Solution for F(x)=7n^2-21 equation: 


Simplifying
F(x) = 7n2 + -21

Multiply F * x
xF = 7n2 + -21

Reorder the terms:
xF = -21 + 7n2

Solving
xF = -21 + 7n2

Solving for variable 'x'.

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

Divide each side by 'F'.
x = -21F-1 + 7n2F-1

Simplifying
x = -21F-1 + 7n2F-1

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