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=0.0021P^2-0.286P+16.28
We move all terms to the left:
-(0.0021P^2-0.286P+16.28)=0
We get rid of parentheses
-0.0021P^2+0.286P-16.28=0
a = -0.0021; b = 0.286; c = -16.28;
Δ = b2-4ac
Δ = 0.2862-4·(-0.0021)·(-16.28)
Δ = -0.054956
Delta is less than zero, so there is no solution for the equation
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