Practice problem
(Select all that apply.)
2x2+12x^2+12x2+1
x2⋅x2+1x^2\cdot x^2+1x2⋅x2+1
2x2+22x^2+22x2+2
(x2+1)+(x2+1)(x^2+1)+(x^2+1)(x2+1)+(x2+1)
2×2+12\times2+12×2+1
Type a concept, like “slope” or “photosynthesis”.
