F(-3)=2x^2-6x+7

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Solution for F(-3)=2x^2-6x+7 equation: 



(-3)=2F^2-6F+7

We move all terms to the left:

(-3)-(2F^2-6F+7)=0

We add all the numbers together, and all the variables

-(2F^2-6F+7)-3=0

We get rid of parentheses

-2F^2+6F-7-3=0

We add all the numbers together, and all the variables

-2F^2+6F-10=0

a = -2; b = 6; c = -10;
Δ = b2-4ac
Δ = 62-4·(-2)·(-10)
Δ = -44
Delta is less than zero, so there is no solution for the equation

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