Practice problem
Simplify (3x2+x−1)−(2x−3)−(2x2+2)(3x^2 + x - 1) - (2x - 3) - (2x^2 + 2)(3x2+x−1)−(2x−3)−(2x2+2).
5x2+3x−25x^2 + 3x - 25x2+3x−2
x2+3x−4x^2 + 3x - 4x2+3x−4
x2−xx^2 - xx2−x
−x2+x-x^2 + x−x2+x
Type a concept, like “slope” or “photosynthesis”.