解方程:x(2X-3)+2x(x-1)=4x(x-2)+9
问题描述:
解方程:x(2X-3)+2x(x-1)=4x(x-2)+9
答
2x²-3x+2x²-2x=4x²-8x+9
-5x=-8x+9
3x=9
x=3