Solve for y
y=5x^{4}-18x^{2}-8
Solve for x (complex solution)
x=\frac{\sqrt{5\sqrt{5y+121}+45}}{5}
x=-\frac{\sqrt{5\sqrt{5y+121}+45}}{5}
x=-\frac{\sqrt{-5\sqrt{5y+121}+45}}{5}
x=\frac{\sqrt{-5\sqrt{5y+121}+45}}{5}
Solve for x
\left\{\begin{matrix}x=-\frac{\sqrt{-5\sqrt{5y+121}+45}}{5}\text{; }x=\frac{\sqrt{-5\sqrt{5y+121}+45}}{5}\text{, }&y\geq -\frac{121}{5}\text{ and }y\leq -8\\x=-\frac{\sqrt{5\sqrt{5y+121}+45}}{5}\text{; }x=\frac{\sqrt{5\sqrt{5y+121}+45}}{5}\text{, }&y\geq -\frac{121}{5}\end{matrix}\right.
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y=5x^{4}-18x^{2}-8
Use the distributive property to multiply 5x^{2}+2 by x^{2}-4 and combine like terms.
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