Solve for y
y=5x\left(5x+8\right)
Solve for x (complex solution)
x=\frac{-\sqrt{y+16}-4}{5}
x=\frac{\sqrt{y+16}-4}{5}
Solve for x
x=\frac{-\sqrt{y+16}-4}{5}
x=\frac{\sqrt{y+16}-4}{5}\text{, }y\geq -16
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y=\left(-5\right)^{2}x^{2}+40x
Expand \left(-5x\right)^{2}.
y=25x^{2}+40x
Calculate -5 to the power of 2 and get 25.
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Limits
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