5x-1(12)=7x(2x+2)

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Solution for 5x-1(12)=7x(2x+2) equation: 



5x-1(12)=7x(2x+2)

We move all terms to the left:

5x-1(12)-(7x(2x+2))=0



We calculate terms in parentheses: -(7x(2x+2)), so:

7x(2x+2)

We multiply parentheses

14x^2+14x

Back to the equation:

-(14x^2+14x)



We get rid of parentheses

-14x^2+5x-14x-112=0

We add all the numbers together, and all the variables

-14x^2-9x-112=0

a = -14; b = -9; c = -112;
Δ = b2-4ac
Δ = -92-4·(-14)·(-112)
Δ = -6191
Delta is less than zero, so there is no solution for the equation

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