1500=0.4w-0.00008w^2

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Solution for 1500=0.4w-0.00008w^2 equation: 



1500=0.4w-0.00008w^2

We move all terms to the left:

1500-(0.4w-0.00008w^2)=0

We get rid of parentheses

0.00008w^2-0.4w+1500=0

a = 0.00008; b = -0.4; c = +1500;
Δ = b2-4ac
Δ = -0.42-4·0.00008·1500
Δ = -0.32
Delta is less than zero, so there is no solution for the equation

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