Question 346281
Solve it for y first:
{{{2y - x^2 = 3}}}
Add {{{x^2}}} to each side:
{{{2y = x^2 + 3}}}
Multiply both sides by 1/2 (or divide by 2):
{{{y = (1/2)x^2 + 3/2}}}
This is what you enter into the calculator.