3x(2-x)=15.5

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Solution for 3x(2-x)=15.5 equation: 



3x(2-x)=15.5

We move all terms to the left:

3x(2-x)-(15.5)=0

We add all the numbers together, and all the variables

3x(-1x+2)-(15.5)=0

We add all the numbers together, and all the variables

3x(-1x+2)-15.5=0

We multiply parentheses

-3x^2+6x-15.5=0

a = -3; b = 6; c = -15.5;
Δ = b2-4ac
Δ = 62-4·(-3)·(-15.5)
Δ = -150
Delta is less than zero, so there is no solution for the equation

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