Practice problem
Simplify 3x4⋅4x5\frac{3x}{4}\cdot \frac{4x}{5}43x⋅54x
12x220\frac{12x^2}{20}2012x2
1516\frac{15}{16}1615
31x20\frac{31x}{20}2031x
3x25\frac{3x^2}553x2
Type a concept, like “slope” or “photosynthesis”.
