Practice problem
What is (3x+3)+(2x−1)+(x2+4)(3x + 3) + (2x - 1) + (x^2 + 4)(3x+3)+(2x−1)+(x2+4)?
x2+5x+6x^2 + 5x + 6x2+5x+6
6x2+66x^2 + 66x2+6
6x+x2+76x + x^2 + 76x+x2+7
x2−1x^2 - 1x2−1
Type a concept, like “slope” or “photosynthesis”.