noemirochaaa111 noemirochaaa111 31-10-2020 Mathematics contestada Which of the following is the standard form of the polynomial function y = x(x + 5)(x − 3)? y = x2 + 2x − 15 y = x3 − 8x2 − 15x y = x2 − 8x − 15 y = x3 + 2x2 − 15x