19=15w-4w(3w-1)

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Solution for 19=15w-4w(3w-1) equation: 



19=15w-4w(3w-1)

We move all terms to the left:

19-(15w-4w(3w-1))=0



We calculate terms in parentheses: -(15w-4w(3w-1)), so:

15w-4w(3w-1)

We multiply parentheses

-12w^2+15w+4w

We add all the numbers together, and all the variables

-12w^2+19w

Back to the equation:

-(-12w^2+19w)



We get rid of parentheses

12w^2-19w+19=0

a = 12; b = -19; c = +19;
Δ = b2-4ac
Δ = -192-4·12·19
Δ = -551
Delta is less than zero, so there is no solution for the equation

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