Practice problem
Simplify x×xyxy ×x×3x\times \frac{xy}{xy}\ \times x\times 3x×xyxy ×x×3 if xxx and yyy are nonzero.
4x4x4x
x3x^3x3
6x6x6x
3x23x^23x2
Type a concept, like “slope” or “photosynthesis”.
