x(3x+4)=-(9+2x)

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Solution for x(3x+4)=-(9+2x) equation: 



x(3x+4)=-(9+2x)

We move all terms to the left:

x(3x+4)-(-(9+2x))=0

We add all the numbers together, and all the variables

x(3x+4)-(-(2x+9))=0

We multiply parentheses

3x^2+4x-(-(2x+9))=0



We calculate terms in parentheses: -(-(2x+9)), so:

-(2x+9)

We get rid of parentheses

-2x-9

Back to the equation:

-(-2x-9)



We get rid of parentheses

3x^2+4x+2x+9=0

We add all the numbers together, and all the variables

3x^2+6x+9=0

a = 3; b = 6; c = +9;
Δ = b2-4ac
Δ = 62-4·3·9
Δ = -72
Delta is less than zero, so there is no solution for the equation

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