Question

Решите уравнение: x²+√3x+√3-1=0

Answer 1

$x^{2} +\sqrt{3} x+\sqrt{3} -1=0(x-1)(x+1)+\sqrt{3} (x+1)=0(x+1)(x-1+\sqrt{3} )=0x+1=0x-1+\sqrt{3} =0x=-1x=1-\sqrt{3} \\x_{1} =-1 , x_{2} =1-\sqrt{3}$