-2b(-3b-1)=-(5-7b)

Solution for -2b(-3b-1)=-(5-7b) equation:

-2b(-3b-1)=-(5-7b)

We move all terms to the left:

-2b(-3b-1)-(-(5-7b))=0

We add all the numbers together, and all the variables

-2b(-3b-1)-(-(-7b+5))=0

We multiply parentheses

6b^2+2b-(-(-7b+5))=0


We calculate terms in parentheses: -(-(-7b+5)), so:

-(-7b+5)

We get rid of parentheses

7b-5

Back to the equation:

-(7b-5)


We get rid of parentheses

6b^2+2b-7b+5=0

We add all the numbers together, and all the variables

6b^2-5b+5=0

a = 6; b = -5; c = +5;
Δ = b2-4ac
Δ = -52-4·6·5
Δ = -95
Delta is less than zero, so there is no solution for the equation