Solve for y
y=3x\left(x+7\right)
Solve for x (complex solution)
x=\frac{\sqrt{12y+441}}{6}-\frac{7}{2}
x=-\frac{\sqrt{12y+441}}{6}-\frac{7}{2}
Solve for x
x=\frac{\sqrt{12y+441}}{6}-\frac{7}{2}
x=-\frac{\sqrt{12y+441}}{6}-\frac{7}{2}\text{, }y\geq -\frac{147}{4}
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y=\left(x^{2}+7x\right)\times 3
Use the distributive property to multiply x by x+7.
y=3x^{2}+21x
Use the distributive property to multiply x^{2}+7x by 3.
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