x+x=7+2x2+3=3

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Solution for x+x=7+2x2+3=3 equation: 



x+x=7+2x^2+3=3

We move all terms to the left:

x+x-(7+2x^2+3)=0

We add all the numbers together, and all the variables

-(7+2x^2+3)+2x=0

We get rid of parentheses

-2x^2+2x-7-3=0

We add all the numbers together, and all the variables

-2x^2+2x-10=0

a = -2; b = 2; c = -10;
Δ = b2-4ac
Δ = 22-4·(-2)·(-10)
Δ = -76
Delta is less than zero, so there is no solution for the equation

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