100=-12x-3x^2

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Solution for 100=-12x-3x^2 equation: 



100=-12x-3x^2

We move all terms to the left:

100-(-12x-3x^2)=0

We get rid of parentheses

3x^2+12x+100=0

a = 3; b = 12; c = +100;
Δ = b2-4ac
Δ = 122-4·3·100
Δ = -1056
Delta is less than zero, so there is no solution for the equation

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