若4x²-4x+9y²-12y+5=0,求(x-3y)²-(x+3y)²的值
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 02:22:48
若4x²-4x+9y²-12y+5=0,求(x-3y)²-(x+3y)²的值若4x²-4x+9y²-12y+5=0,求(x-3y)²
若4x²-4x+9y²-12y+5=0,求(x-3y)²-(x+3y)²的值
若4x²-4x+9y²-12y+5=0,求(x-3y)²-(x+3y)²的值
若4x²-4x+9y²-12y+5=0,求(x-3y)²-(x+3y)²的值
4x²-4x+9y²-12y+5=0,
==>(2x-1)^2+(3y-2)^2=0
x=0.5;y=2/3
(x-3y)²-(x+3y)²=-6xy-6xy=-12xy=-4