3x(3-x)=7

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Solution for 3x(3-x)=7 equation: 



3x(3-x)=7

We move all terms to the left:

3x(3-x)-(7)=0

We add all the numbers together, and all the variables

3x(-1x+3)-7=0

We multiply parentheses

-3x^2+9x-7=0

a = -3; b = 9; c = -7;
Δ = b2-4ac
Δ = 92-4·(-3)·(-7)
Δ = -3
Delta is less than zero, so there is no solution for the equation

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