1.用公式法解方程:-3x²-2x+4=0.用公式法解方程:-3x²-2x+4=0.用配方法解方程:x²-2x-143=0.用分解因式法解方程:2(2x+1)²+3(2x+1)=0.用直接开平方解方程:2(2x+1)²-9/2=0.解关于x
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 02:28:52
![1.用公式法解方程:-3x²-2x+4=0.用公式法解方程:-3x²-2x+4=0.用配方法解方程:x²-2x-143=0.用分解因式法解方程:2(2x+1)²+3(2x+1)=0.用直接开平方解方程:2(2x+1)²-9/2=0.解关于x](/uploads/image/z/404576-8-6.jpg?t=1.%E7%94%A8%E5%85%AC%E5%BC%8F%E6%B3%95%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A-3x%26%23178%3B-2x%2B4%3D0.%E7%94%A8%E5%85%AC%E5%BC%8F%E6%B3%95%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A-3x%26%23178%3B-2x%2B4%3D0.%E7%94%A8%E9%85%8D%E6%96%B9%E6%B3%95%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9Ax%26%23178%3B-2x-143%3D0.%E7%94%A8%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E6%B3%95%E8%A7%A3%E6%96%B9%E7%A8%8B%3A2%EF%BC%882x%2B1%EF%BC%89%26%23178%3B%2B3%EF%BC%882x%2B1%EF%BC%89%3D0.%E7%94%A8%E7%9B%B4%E6%8E%A5%E5%BC%80%E5%B9%B3%E6%96%B9%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A2%EF%BC%882x%2B1%EF%BC%89%26%23178%3B-9%2F2%3D0.%E8%A7%A3%E5%85%B3%E4%BA%8Ex)
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