144=-12(x+5)x=

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Solution for 144=-12(x+5)x= equation: 



144=-12(x+5)x=

We move all terms to the left:

144-(-12(x+5)x)=0



We calculate terms in parentheses: -(-12(x+5)x), so:

-12(x+5)x

We multiply parentheses

-12x^2-60x

Back to the equation:

-(-12x^2-60x)



We get rid of parentheses

12x^2+60x+144=0

a = 12; b = 60; c = +144;
Δ = b2-4ac
Δ = 602-4·12·144
Δ = -3312
Delta is less than zero, so there is no solution for the equation

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