richmondwilliam36 richmondwilliam36 23-11-2020 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)