33=-7x(x+3)

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Solution for 33=-7x(x+3) equation: 



33=-7x(x+3)

We move all terms to the left:

33-(-7x(x+3))=0



We calculate terms in parentheses: -(-7x(x+3)), so:

-7x(x+3)

We multiply parentheses

-7x^2-21x

Back to the equation:

-(-7x^2-21x)



We get rid of parentheses

7x^2+21x+33=0

a = 7; b = 21; c = +33;
Δ = b2-4ac
Δ = 212-4·7·33
Δ = -483
Delta is less than zero, so there is no solution for the equation

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