3=-0.3(x^2)+1.3x

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Solution for 3=-0.3(x^2)+1.3x equation: 



3=-0.3(x^2)+1.3x

We move all terms to the left:

3-(-0.3(x^2)+1.3x)=0

We get rid of parentheses

0.3x^2-1.3x+3=0

a = 0.3; b = -1.3; c = +3;
Δ = b2-4ac
Δ = -1.32-4·0.3·3
Δ = -1.91
Delta is less than zero, so there is no solution for the equation

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