jojo988 jojo988 27-06-2019 Mathematics contestada Write the expression 5x(x + 9) - 7(x + 9) in complete factored form. A. (x + 9)(x + 9) B. (5x - 7)(x+9) C. (5x – 7)(x + 9)(x + 9) D. (5x2 + 45x)(-7x - 63)