分解因式Lx²-9=;分解因式:4x²-9=;x²/100-25y²;-1/4x的4次方+9y²;25(a+b)²-4(a+b)²;x²-(x-y)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/28 00:51:23
![分解因式Lx²-9=;分解因式:4x²-9=;x²/100-25y²;-1/4x的4次方+9y²;25(a+b)²-4(a+b)²;x²-(x-y)²](/uploads/image/z/10751965-61-5.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8FLx%26%23178%3B-9%3D%EF%BC%9B%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%EF%BC%9A4x%26%23178%3B-9%3D%EF%BC%9Bx%26%23178%3B%2F100-25y%26%23178%3B%EF%BC%9B-1%2F4x%E7%9A%844%E6%AC%A1%E6%96%B9%2B9y%26%23178%3B%EF%BC%9B25%EF%BC%88a%2Bb%EF%BC%89%26%23178%3B-4%EF%BC%88a%2Bb%EF%BC%89%26%23178%3B%EF%BC%9Bx%26%23178%3B-%EF%BC%88x-y%EF%BC%89%26%23178%3B)
x){b⧳S!ed~OGv=PLe*t+26IEtt*:ܫ_`g3d,pFF&JbH0+7@mJM0C +E[CIVVøRf&`eF@AM$!|
(T*Ny/.H̳% xRC
分解因式Lx²-9=;分解因式:4x²-9=;x²/100-25y²;-1/4x的4次方+9y²;25(a+b)²-4(a+b)²;x²-(x-y)²
分解因式Lx²-9=;分解因式:4x²-9=;x²/100-25y²;-1/4x的4次方+9y²;
25(a+b)²-4(a+b)²;x²-(x-y)²
分解因式Lx²-9=;分解因式:4x²-9=;x²/100-25y²;-1/4x的4次方+9y²;25(a+b)²-4(a+b)²;x²-(x-y)²
分解因式
x²-9=(x+3)(x-3)
分解因式:
4x²-9=(2x+3)(2x-3)
x²/100-25y²=(x/10+5y)(x/10-5y)
-1/4x的4次方+9y²=9y²-x的4次方/4=(3y+x²/2)(3y-x²/2)
25(a+b)²-4(a+b)²
=21(a+b)²
x²-(x-y)²
=(x+x-y)(x-x+y)
=y(2x-y)