Vercelesreynaldo37go Vercelesreynaldo37go Math Answered Subtract the following polynomials.1) 9m - 7m2) -11x - (-15x)3) (5x + 7y) - (-5x - 7y)4. (-12ab + 3b2) - (8ab + 6b2)5. (147242 + 237y - 17) - (15x2y2 + 23xy - 16