已知f(x)=a*x^2+b*x(a、b为常数且a不等于0)满足条件f(-x+5)=f(x-3)且方程f(x)=x有等根.1、求f(x)的表达式2、是否存在实数m,n(m
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![已知f(x)=a*x^2+b*x(a、b为常数且a不等于0)满足条件f(-x+5)=f(x-3)且方程f(x)=x有等根.1、求f(x)的表达式2、是否存在实数m,n(m](/uploads/image/z/1807216-16-6.jpg?t=%E5%B7%B2%E7%9F%A5f%28x%29%3Da%2Ax%5E2%2Bb%2Ax%EF%BC%88a%E3%80%81b%E4%B8%BA%E5%B8%B8%E6%95%B0%E4%B8%94a%E4%B8%8D%E7%AD%89%E4%BA%8E0%EF%BC%89%E6%BB%A1%E8%B6%B3%E6%9D%A1%E4%BB%B6f%28-x%2B5%29%3Df%28x-3%29%E4%B8%94%E6%96%B9%E7%A8%8Bf%28x%29%3Dx%E6%9C%89%E7%AD%89%E6%A0%B9.1%E3%80%81%E6%B1%82f%28x%29%E7%9A%84%E8%A1%A8%E8%BE%BE%E5%BC%8F2%E3%80%81%E6%98%AF%E5%90%A6%E5%AD%98%E5%9C%A8%E5%AE%9E%E6%95%B0m%2Cn%28m)
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