marcy1644 marcy1644 29-01-2024 Mathematics contestada Multiply the expressions. (3x² 2 + 2x - 21) /-2x² 2-2x+12 · (2x² 2 + 25x + 63) / 6x² 2 + 7x -49 If a=1 , find the values of b, c, and dthat make the given expression equivalent to the expression below. (ax+b)/cx+d b =… , c =… , and d =…