Given a polynomial f(x), if (x + 7) is a factor, what else must be true? plzzz im running out of time
f(0) = 7
f(0) = −7
f(−7) = 0
f(7) = 0

Find two rational expressions that have the difference of 2-n/n-4

Answer question above and explain each step : )

George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain