Practice problem
If 2x2=182x^2 = 182x2=18, then the possible real values of xxx are...
x=±32x=\pm3\sqrt{2}x=±32
x=±3x=\pm\sqrt{3}x=±3
x=±3x=\pm3x=±3
Not enough information is given.
Type a concept, like “slope” or “photosynthesis”.