Question

用求根公式法解这个方程：X∧2+√6 x=-2√3—√2 x

Answer 1

x^2+(√6+√2)x+2√3=0

判别式=(√6+√2)^2-8√3=8+4√3-8√3=8-4√3=(√6-√2)^2

x=(-√6-√2+√6-√2)/2=-√2

x=(-√6-√2-√6+√2)/2=-√6