Practice problem
Let f(x)=x2+2x+3f(x) = x^2 + 2x + 3f(x)=x2+2x+3 and let g(x)=2x+x2−5g(x) = 2x + x^2 - 5g(x)=2x+x2−5. What is f(x)−g(x)f(x) - g(x)f(x)−g(x)?
−2-2−2
888
2x2+82x^2+82x2+8
2x2−4x−22x^2-4x-22x2−4x−2
Type a concept, like “slope” or “photosynthesis”.