用因式分解解方程x-2=x(x-2)4x^2-169=0(x-5)^2=2(5-x)2x(x-3)=9-3x(x+4)^
来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/09/20 06:14:27
用因式分解解方程
x-2=x(x-2)
4x^2-169=0
(x-5)^2=2(5-x)
2x(x-3)=9-3x
(x+4)^2-16x^2=0
(3-y)^2+y^2=9
x-2=x(x-2)
4x^2-169=0
(x-5)^2=2(5-x)
2x(x-3)=9-3x
(x+4)^2-16x^2=0
(3-y)^2+y^2=9
1.x-2=x(x-2)
(x-2)(x-1)=0
x=2或x=1
2.4x^2-169=0
(2x+13)(2x-13)=0
x=-13/2或x=13/2
3.(x-5)^2=2(5-x)
(x-5)^2-2(5-x)=0
(x-5)^2+2(x-5)=0
(x-5)(x+2)=0
x=5或x=-2
4.2x(x-3)=9-3x
2x(x-3)=3(3-x)
(x-3)(2x-3)=0
x=3或x=3/2
5.(x+4)^2-16x^2=0
(x+4+4x)(x+4-4x)=0
(5x+4)(4-3x)=0
x=-4/5或x=4/3
6.(3-y)^2+y^2=9
(3-y)^2+y^2-9=0
(3-y)^2+(y+3)(y-3)=0
(y-3)^2+(y+3)(y-3)=0
(y-3)(1+y+3)=0
(y-3)(y+4)=0
y=3或y=-4
(x-2)(x-1)=0
x=2或x=1
2.4x^2-169=0
(2x+13)(2x-13)=0
x=-13/2或x=13/2
3.(x-5)^2=2(5-x)
(x-5)^2-2(5-x)=0
(x-5)^2+2(x-5)=0
(x-5)(x+2)=0
x=5或x=-2
4.2x(x-3)=9-3x
2x(x-3)=3(3-x)
(x-3)(2x-3)=0
x=3或x=3/2
5.(x+4)^2-16x^2=0
(x+4+4x)(x+4-4x)=0
(5x+4)(4-3x)=0
x=-4/5或x=4/3
6.(3-y)^2+y^2=9
(3-y)^2+y^2-9=0
(3-y)^2+(y+3)(y-3)=0
(y-3)^2+(y+3)(y-3)=0
(y-3)(1+y+3)=0
(y-3)(y+4)=0
y=3或y=-4
用因式分解解方程x-2=x(x-2)4x^2-169=0(x-5)^2=2(5-x)2x(x-3)=9-3x(x+4)^
用因式分解解方程:5x²-2x-1/4=x²-2x+3/4
(x-1)(2x+3)+x(1-x)=0,因式分解解方程
用因式分解解方程(3x+1)(x-1)=(2x-5)(x-1)则整理为
用因式分解解方程 1.X²-5X=(X-5)² 2.X²-5X-6=0 3.3X(X-2)
因式分解解方程:1/2x^2+5x-3=0
用因式分解解方程 9(x-2)²=4(x+1)²
用因式分解解方程 (3x+2)平方=4(x一3)平方
因式分解解方程(1).3(x-5)^2=2(5-x)(2).4(x-2)^2=9(x+3)^2
(2x-5)²-6(2x+5)+9=0因式分解解方程
解因式分解解方程(5x-3)^2=(2x+1)^2
用因式分解解方程:9(x-1)²-(x+2)²=0