Solve for y
y=-\frac{x^{2}}{8}
Solve for x (complex solution)
x=-2i\sqrt{2y}
x=2i\sqrt{2y}
Solve for x
x=2\sqrt{-2y}
x=-2\sqrt{-2y}\text{, }y\leq 0
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16y=-2x^{2}
Subtract 2x^{2} from both sides. Anything subtracted from zero gives its negation.
\frac{16y}{16}=-\frac{2x^{2}}{16}
Divide both sides by 16.
y=-\frac{2x^{2}}{16}
Dividing by 16 undoes the multiplication by 16.
y=-\frac{x^{2}}{8}
Divide -2x^{2} by 16.
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