Practice problem
Simplify the following expression: 414−7x÷821−14x\frac{4}{14-7x} \div \frac{8}{21-14x}14−7x4÷21−14x8
21−14x28−14x\frac{21-14x}{28-14x}28−14x21−14x
34\frac{3}{4}43
3249(6−7x+2x2)\frac{32}{49(6-7x+2x^{2})}49(6−7x+2x2)32
3−2x4−2x\frac{3-2x}{4-2x}4−2x3−2x
Type a concept, like “slope” or “photosynthesis”.