0=0.3x^2-2.4x+40

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Solution for 0=0.3x^2-2.4x+40 equation: 



0=0.3x^2-2.4x+40

We move all terms to the left:

0-(0.3x^2-2.4x+40)=0

We add all the numbers together, and all the variables

-(0.3x^2-2.4x+40)=0

We get rid of parentheses

-0.3x^2+2.4x-40=0

a = -0.3; b = 2.4; c = -40;
Δ = b2-4ac
Δ = 2.42-4·(-0.3)·(-40)
Δ = -42.24
Delta is less than zero, so there is no solution for the equation

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