14=-2x^2+4x+8

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Solution for 14=-2x^2+4x+8 equation: 



14=-2x^2+4x+8

We move all terms to the left:

14-(-2x^2+4x+8)=0

We get rid of parentheses

2x^2-4x-8+14=0

We add all the numbers together, and all the variables

2x^2-4x+6=0

a = 2; b = -4; c = +6;
Δ = b2-4ac
Δ = -42-4·2·6
Δ = -32
Delta is less than zero, so there is no solution for the equation

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