F(1.5)=x^2+9

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Solution for F(1.5)=x^2+9 equation: 



(1.5)=F^2+9

We move all terms to the left:

(1.5)-(F^2+9)=0

We add all the numbers together, and all the variables

-(F^2+9)+1.5=0

We get rid of parentheses

-F^2-9+1.5=0

We add all the numbers together, and all the variables

-1F^2-7.5=0

a = -1; b = 0; c = -7.5;
Δ = b2-4ac
Δ = 02-4·(-1)·(-7.5)
Δ = -30
Delta is less than zero, so there is no solution for the equation

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