(x+7)(x+9)=(x+3)(x+21) Share with your friends Share 2 Lovina Kansal answered this Dear student x+7x+9=x+3x+21x2+9x+7x+63=x2+21x+3x+6316x=24x8x3-2=0x=0 Regards 2 View Full Answer Monish answered this 3 0 Yatish answered this 3 is the quesion -4 Nishtha Kohli . answered this Three -1 Trishitha Kilari answered this It is 3 1