x(2x-3)+3x+3x(x-2)=5x(x-4)+11
2x²-3x+3x+3x²-6x=5x²-20x+11
5x²-6x=5x²-20x+11
5x²-6x-5x²+20x=11
14x=11
x=11/14
请点击下面的【选为满意回答】按钮.错了呢，应该等于1�Ǿ��������Ŀ���ˣ�解方程x(2x-3)+3x(x-2)=5x(x-4)+11，的却是我错了......x(2x-3)+3x(x-2)=5x(x-4)+112x²-3x+3x²-6x=5x²-20x+115x²-9x=5x²-20x+115x²-9x-5x²+20x=1111x=11x=1