GARIANDREWIN GARIANDREWIN Math Answered Add the following polynomial 1.6x + 4x = 2.-7ab + 10ab = 3.{3y + 5} + {5y - 3} = 4.{8x2 - 2x + 4} + {x2 + 5x - 1} = 5.{5m + 8n} + {2m - 3n} + {-4m + 7n} =