(2x+5)(−mx+9)=0 space, left parenthesis, 2, x, plus, 5, right parenthesis, left parenthesis, minus, m, x, plus, 9, right parenthesis, equals, 0 in the equation above, mm m m is a constant. if the equation has the solutions x=−52x=-\dfrac{5}{2} x=− 2 5 x, equals, minus, start fraction, 5, divided by, 2, end fraction and x=32x=\dfrac{3}{2} x= 2 3 x, equals, start fraction, 3, divided by, 2, end fraction , what is the value of mm m m ?