Solve for y
y=64-x^{2}
Solve for x (complex solution)
x=-\sqrt{64-y}
x=\sqrt{64-y}
Solve for x
x=\sqrt{64-y}
x=-\sqrt{64-y}\text{, }y\leq 64
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-y+64=x^{2}
Swap sides so that all variable terms are on the left hand side.
-y=x^{2}-64
Subtract 64 from both sides.
\frac{-y}{-1}=\frac{x^{2}-64}{-1}
Divide both sides by -1.
y=\frac{x^{2}-64}{-1}
Dividing by -1 undoes the multiplication by -1.
y=64-x^{2}
Divide x^{2}-64 by -1.
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