Question

x方 — 根6 x + 1 = 0 请给详细步骤,O(∩_∩)O谢谢~~

Answer 1

x²-√6x=-1

x²-√6x+3/2=-1+3/2

(x-√6/2)²=1/2

x-√6/2=±√2/2

x=(√6-√2)/2,x=(√6+√2)/2