x+x2+2x=4x-5

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Solution for x+x2+2x=4x-5 equation: 



x+x2+2x=4x-5

We move all terms to the left:

x+x2+2x-(4x-5)=0

We add all the numbers together, and all the variables

x^2+3x-(4x-5)=0

We get rid of parentheses

x^2+3x-4x+5=0

We add all the numbers together, and all the variables

x^2-1x+5=0

a = 1; b = -1; c = +5;
Δ = b2-4ac
Δ = -12-4·1·5
Δ = -19
Delta is less than zero, so there is no solution for the equation

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