-3x^2+8x+17=-4x^2+1

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Solution for -3x^2+8x+17=-4x^2+1 equation: 



-3x^2+8x+17=-4x^2+1

We move all terms to the left:

-3x^2+8x+17-(-4x^2+1)=0

We get rid of parentheses

-3x^2+4x^2+8x-1+17=0

We add all the numbers together, and all the variables

x^2+8x+16=0

a = 1; b = 8; c = +16;
Δ = b2-4ac
Δ = 82-4·1·16
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-8}{2}=-4$

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