Practice problem
Which of the following products do not equal 3x2+6x43x^2 + 6x^43x2+6x4?
3x(x+2x3)3x(x + 2x^3)3x(x+2x3)
x2(3+6x2)x^2(3 + 6x^2)x2(3+6x2)
3x(x+6x4)3x(x + 6x^4)3x(x+6x4)
3x2(1+2x2)3x^2(1 + 2x^2)3x2(1+2x2)
Type a concept, like “slope” or “photosynthesis”.