Solve for y
y=x^{2}+33
Solve for x (complex solution)
x=-\sqrt{y-33}
x=\sqrt{y-33}
Solve for x
x=\sqrt{y-33}
x=-\sqrt{y-33}\text{, }y\geq 33
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y+7=40+x^{2}
Add x^{2} to both sides.
y=40+x^{2}-7
Subtract 7 from both sides.
y=33+x^{2}
Subtract 7 from 40 to get 33.
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