3000=400x-200x^2

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Solution for 3000=400x-200x^2 equation: 



3000=400x-200x^2

We move all terms to the left:

3000-(400x-200x^2)=0

We get rid of parentheses

200x^2-400x+3000=0

a = 200; b = -400; c = +3000;
Δ = b2-4ac
Δ = -4002-4·200·3000
Δ = -2240000
Delta is less than zero, so there is no solution for the equation

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