Solve for y
y=2\left(100-x\right)\left(x+60\right)
Solve for x (complex solution)
x=\frac{\sqrt{25600-2y}}{2}+20
x=-\frac{\sqrt{25600-2y}}{2}+20
Solve for x
x=\frac{\sqrt{25600-2y}}{2}+20
x=-\frac{\sqrt{25600-2y}}{2}+20\text{, }y\leq 12800
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y=-2x^{2}+80x+12000
Use the distributive property to multiply -2x+200 by x+60 and combine like terms.
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