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0=330x-x^2
We move all terms to the left:
0-(330x-x^2)=0
We add all the numbers together, and all the variables
-(330x-x^2)=0
We get rid of parentheses
x^2-330x=0
a = 1; b = -330; c = 0;
Δ = b2-4ac
Δ = -3302-4·1·0
Δ = 108900
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{108900}=330$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-330)-330}{2*1}=\frac{0}{2} =0 $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-330)+330}{2*1}=\frac{660}{2} =330 $
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