1.62=0.3n-0.2n^2

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Solution for 1.62=0.3n-0.2n^2 equation: 



1.62=0.3n-0.2n^2

We move all terms to the left:

1.62-(0.3n-0.2n^2)=0

We get rid of parentheses

0.2n^2-0.3n+1.62=0

a = 0.2; b = -0.3; c = +1.62;
Δ = b2-4ac
Δ = -0.32-4·0.2·1.62
Δ = -1.206
Delta is less than zero, so there is no solution for the equation

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