What is the positive solution to the equation 0 = -x2 + 2x + 1?
quadratic formula: x= -b/b2-4ac
20

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.

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Could someone with number 1 and 2