Solve for A
A=-x\left(x-35\right)
Solve for x (complex solution)
x=\frac{\sqrt{1225-4A}+35}{2}
x=\frac{-\sqrt{1225-4A}+35}{2}
Solve for x
x=\frac{\sqrt{1225-4A}+35}{2}
x=\frac{-\sqrt{1225-4A}+35}{2}\text{, }A\leq \frac{1225}{4}
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A=20x+15x-x^{2}
Use the distributive property to multiply 15-x by x.
A=35x-x^{2}
Combine 20x and 15x to get 35x.
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