0.40=0.0021x^2-0.286x+16.28

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Solution for 0.40=0.0021x^2-0.286x+16.28 equation: 



0.40=0.0021x^2-0.286x+16.28

We move all terms to the left:

0.40-(0.0021x^2-0.286x+16.28)=0

We add all the numbers together, and all the variables

-(0.0021x^2-0.286x+16.28)+0.4=0

We get rid of parentheses

-0.0021x^2+0.286x-16.28+0.4=0

We add all the numbers together, and all the variables

-0.0021x^2+0.286x-15.88=0

a = -0.0021; b = 0.286; c = -15.88;
Δ = b2-4ac
Δ = 0.2862-4·(-0.0021)·(-15.88)
Δ = -0.051596
Delta is less than zero, so there is no solution for the equation

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