P(x)=-0.004x^2+2.8x-250

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Solution for P(x)=-0.004x^2+2.8x-250 equation: 



(P)=-0.004P^2+2.8P-250

We move all terms to the left:

(P)-(-0.004P^2+2.8P-250)=0

We get rid of parentheses

0.004P^2-2.8P+P+250=0

We add all the numbers together, and all the variables

0.004P^2-1.8P+250=0

a = 0.004; b = -1.8; c = +250;
Δ = b2-4ac
Δ = -1.82-4·0.004·250
Δ = -0.76
Delta is less than zero, so there is no solution for the equation

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