3x(2x+5)=6x-13

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Solution for 3x(2x+5)=6x-13 equation: 



3x(2x+5)=6x-13

We move all terms to the left:

3x(2x+5)-(6x-13)=0

We multiply parentheses

6x^2+15x-(6x-13)=0

We get rid of parentheses

6x^2+15x-6x+13=0

We add all the numbers together, and all the variables

6x^2+9x+13=0

a = 6; b = 9; c = +13;
Δ = b2-4ac
Δ = 92-4·6·13
Δ = -231
Delta is less than zero, so there is no solution for the equation

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