Practice problem
Which of the following is not equal to 3x2+4x23x^2 + 4x^23x2+4x2?
(3+4)x2(3 + 4)x^2(3+4)x2
(4+3)x2(4 + 3)x^2(4+3)x2
7x47x^47x4
7x27x^27x2
Type a concept, like “slope” or “photosynthesis”.
