Solve for y
y=\frac{x^{2}-4}{2}
Solve for x (complex solution)
x=-\sqrt{2\left(y+2\right)}
x=\sqrt{2\left(y+2\right)}
Solve for x
x=\sqrt{2\left(y+2\right)}
x=-\sqrt{2\left(y+2\right)}\text{, }y\geq -2
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y=\left(\frac{1}{2}x+1\right)\left(x-2\right)
Use the distributive property to multiply \frac{1}{2} by x+2.
y=\frac{1}{2}x^{2}-2
Use the distributive property to multiply \frac{1}{2}x+1 by x-2 and combine like terms.
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