19=5x(-5x)-6(-3x+15)+5

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Solution for 19=5x(-5x)-6(-3x+15)+5 equation: 



19=5x(-5x)-6(-3x+15)+5

We move all terms to the left:

19-(5x(-5x)-6(-3x+15)+5)=0



We calculate terms in parentheses: -(5x(-5x)-6(-3x+15)+5), so:

5x(-5x)-6(-3x+15)+5

We multiply parentheses

-25x^2+18x-90+5

We add all the numbers together, and all the variables

-25x^2+18x-85

Back to the equation:

-(-25x^2+18x-85)



We get rid of parentheses

25x^2-18x+85+19=0

We add all the numbers together, and all the variables

25x^2-18x+104=0

a = 25; b = -18; c = +104;
Δ = b2-4ac
Δ = -182-4·25·104
Δ = -10076
Delta is less than zero, so there is no solution for the equation

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