Practice problem
Suppose f(x)=x2+5x+12f(x)= x^2+5x+12f(x)=x2+5x+12 and g(x)=12x2+10x+4g(x)=12x^2+10x+4g(x)=12x2+10x+4. Which of the answer choices is (f−g)(x)(f-g)(x)(f−g)(x)?
12x4+60x3+208x2+140x+4812x^4+60x^3+208x^2+140x+4812x4+60x3+208x2+140x+48
−11x2−5x+8-11x^2-5x+8−11x2−5x+8
11x2+5x−811x^2+5x-811x2+5x−8
Type a concept, like “slope” or “photosynthesis”.