Solve for x
x=\left(y-7\right)^{2}+2
Solve for y (complex solution)
y=-\sqrt{x-2}+7
y=\sqrt{x-2}+7
Solve for y
y=-\sqrt{x-2}+7
y=\sqrt{x-2}+7\text{, }x\geq 2
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x=2+y^{2}-14y+49
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(y-7\right)^{2}.
x=51+y^{2}-14y
Add 2 and 49 to get 51.
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