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8362000=-0.8x^2+600x
We move all terms to the left:
8362000-(-0.8x^2+600x)=0
We get rid of parentheses
0.8x^2-600x+8362000=0
a = 0.8; b = -600; c = +8362000;
Δ = b2-4ac
Δ = -6002-4·0.8·8362000
Δ = -26398400
Delta is less than zero, so there is no solution for the equation
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