Practice problem
If 3x2=183x^2 = 183x2=18, then the possible real values of xxx are...
x=±32x=\pm3\sqrt{2}x=±32
x=±6x=\pm\sqrt{6}x=±6
x=±3x=\pm3x=±3
Not enough information is given.
Type a concept, like “slope” or “photosynthesis”.