43=12x-3x^2

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Solution for 43=12x-3x^2 equation: 



43=12x-3x^2

We move all terms to the left:

43-(12x-3x^2)=0

We get rid of parentheses

3x^2-12x+43=0

a = 3; b = -12; c = +43;
Δ = b2-4ac
Δ = -122-4·3·43
Δ = -372
Delta is less than zero, so there is no solution for the equation

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