Practice problem
Simplify ∣x2−1∣∣1−x∣\frac{|x^2-1|}{|1-x|}∣1−x∣∣x2−1∣ if x≠1x \neq 1x=1
x+1x+1x+1
∣x+1∣|x+1|∣x+1∣
∣x2−1∣∣1−x∣\frac{|x^2-1|}{|1-x|}∣1−x∣∣x2−1∣
111
Type a concept, like “slope” or “photosynthesis”.