Practice problem
If f(x)=x2−x+3f(x) = x^{2}-x+3f(x)=x2−x+3 and g(x)=3−4x3g(x) = 3-4x^{3}g(x)=3−4x3, solve for (f+g)(x)(f+g)(x)(f+g)(x).
4x3+x2−x4x^{3}+x^{2}-x4x3+x2−x
4x3−x2+x+64x^{3}- x^{2}+x +64x3−x2+x+6
−4x3+x2−x+6-4x^{3}+ x^{2}-x +6−4x3+x2−x+6
4x3−x+64x^{3}-x+64x3−x+6
Type a concept, like “slope” or “photosynthesis”.