(x-y)^2-10(y-x)+25
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/08 14:37:19
(x-y)^2-10(y-x)+25
x-y)^2-10(y-x)+25
=(x-y)^2+10(x-y)+25
=(x-y+5)^2
(x-y)^2-10(y-x)+25
=(x-y)^2+10(x-y)+25
=(x-y+5)^2
(x-y+5)^2
(x-y)^2-10(y-x)+25
25(X-Y)^2-16(X+Y)^2
把(x+y),(x-y)个作为一个整体合并同类项1,7(x+y)-2(x+y)-4(x+y)+2(x+y)2,(x-y)²+2(x-y)-(x-y)-2(x-y)²
1/2x-(x+y/2x -x-y)÷(x+y)
y(x+y)+(x-y)²-x²-2y²
(2x-3y)²-(-2x-3y)(-2x+3y)x+y=10,3x-2y=5过程
(x+y)²×(-x-y)³
计算:[(x-y)²+x+y(x-y)]÷2x
x+x+x-y-y=60 y+y+y-x-x=10 那么x=? y=?
化简:(x-y)/(2x+1) * [(2x+1)/(x+y) - (2xy+y)/(y方-x方)]+y/(x+y)
9(x+y)^2-(x-y)^2
计算[-2(x-y)^2]^2×(y-x)^3
{x=2y {2x-y=3
{5x+2y=18,y=-x
化简((X-2Y)的平方+(X-Y)(x+Y)-2(X-3Y)(X-Y))除以Y
25(x-y)²-10(y-z)+1因式分解
x(x-y)-y(y-x)+(x-y)²因式分解
【(x+2y)^2-(x-y)(3x+y)-5y^2】÷2x化简带过程