What is the answer to 5x-1=x+15

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

With both problems. a.s.a.p directions on photo ^

Factor the polynomial expression x6 – x3 – 20