Practice problem
Which of the following polynomials can be factored by a monomial?
x3+x2−1x^3 + x^2-1x3+x2−1
x4−x2x^4 - x^2x4−x2
x3−xx^3-xx3−x
x2−1x^2 -1x2−1
Type a concept, like “slope” or “photosynthesis”.
