F(x)=-4x^2+16x-15

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Solution for F(x)=-4x^2+16x-15 equation: 



(F)=-4F^2+16F-15

We move all terms to the left:

(F)-(-4F^2+16F-15)=0

We get rid of parentheses

4F^2-16F+F+15=0

We add all the numbers together, and all the variables

4F^2-15F+15=0

a = 4; b = -15; c = +15;
Δ = b2-4ac
Δ = -152-4·4·15
Δ = -15
Delta is less than zero, so there is no solution for the equation

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