题目解下列方程:(1)x2−24x=9856(1)x^{2}-24x=9856(1)x2−24x=9856；(2)x2−6x−9991=0(2)x^{2}-6x-9991=0(2)x2−6x−9991=0.知识点：解一元一次方程章节：未标注
