Question 97150
FOIL works for 2 equations the old fashioned multiplacation works for any number of equations multiplied as follows.
x+h
x+h
----------------
x^2+hx+hx+h^2 combine like terms
x^2+2hx+h^2
x+h
---------------
x^3+2hx^2+h^2x+hx^2+2h^2x+h^3 combine like terms
x^3+3hx^2+3h^2x+h^3 answer