F(-2)=6x^2+3x+5

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Solution for F(-2)=6x^2+3x+5 equation: 



(-2)=6F^2+3F+5

We move all terms to the left:

(-2)-(6F^2+3F+5)=0

We add all the numbers together, and all the variables

-(6F^2+3F+5)-2=0

We get rid of parentheses

-6F^2-3F-5-2=0

We add all the numbers together, and all the variables

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

a = -6; b = -3; c = -7;
Δ = b2-4ac
Δ = -32-4·(-6)·(-7)
Δ = -159
Delta is less than zero, so there is no solution for the equation

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