Practice problem
Which of the following is a factor of x4+6x2+9x^4 + 6x^2 + 9x4+6x2+9?
x2+3x^2+3x2+3
x+3x+3x+3
x2+6x^2 + 6x2+6
(x+6)(x+6)(x+6)
Type a concept, like “slope” or “photosynthesis”.
