-15+50=-5x(x+1)

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Solution for -15+50=-5x(x+1) equation: 



-15+50=-5x(x+1)

We move all terms to the left:

-15+50-(-5x(x+1))=0

We add all the numbers together, and all the variables

-(-5x(x+1))+35=0



We calculate terms in parentheses: -(-5x(x+1)), so:

-5x(x+1)

We multiply parentheses

-5x^2-5x

Back to the equation:

-(-5x^2-5x)



We get rid of parentheses

5x^2+5x+35=0

a = 5; b = 5; c = +35;
Δ = b2-4ac
Δ = 52-4·5·35
Δ = -675
Delta is less than zero, so there is no solution for the equation

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