3(1+x)x+2=5x-7

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Solution for 3(1+x)x+2=5x-7 equation: 



3(1+x)x+2=5x-7

We move all terms to the left:

3(1+x)x+2-(5x-7)=0

We add all the numbers together, and all the variables

3(x+1)x-(5x-7)+2=0

We multiply parentheses

3x^2+3x-(5x-7)+2=0

We get rid of parentheses

3x^2+3x-5x+7+2=0

We add all the numbers together, and all the variables

3x^2-2x+9=0

a = 3; b = -2; c = +9;
Δ = b2-4ac
Δ = -22-4·3·9
Δ = -104
Delta is less than zero, so there is no solution for the equation

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