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

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Solution for 3(2x+4)-3=2x(-5x-4) equation: 



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

We move all terms to the left:

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

We multiply parentheses

6x-(2x(-5x-4))+12-3=0



We calculate terms in parentheses: -(2x(-5x-4)), so:

2x(-5x-4)

We multiply parentheses

-10x^2-8x

Back to the equation:

-(-10x^2-8x)



We add all the numbers together, and all the variables

-(-10x^2-8x)+6x+9=0

We get rid of parentheses

10x^2+8x+6x+9=0

We add all the numbers together, and all the variables

10x^2+14x+9=0

a = 10; b = 14; c = +9;
Δ = b2-4ac
Δ = 142-4·10·9
Δ = -164
Delta is less than zero, so there is no solution for the equation

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