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

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



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

We move all terms to the left:

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

We multiply parentheses

15x^2+10x-(7x-2)=0

We get rid of parentheses

15x^2+10x-7x+2=0

We add all the numbers together, and all the variables

15x^2+3x+2=0

a = 15; b = 3; c = +2;
Δ = b2-4ac
Δ = 32-4·15·2
Δ = -111
Delta is less than zero, so there is no solution for the equation

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