F(8)=3^2-4x+5

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Solution for F(8)=3^2-4x+5 equation: 



(8)=3^2-4F+5

We move all terms to the left:

(8)-(3^2-4F+5)=0

We get rid of parentheses

4F-5+8-3^2=0

We add all the numbers together, and all the variables

4F-6=0

We move all terms containing F to the left, all other terms to the right

4F=6

F=6/4

F=1+1/2

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