解方程1.(x+√2)²=3 2.√2x²+4√3x=2√2
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解方程1.(x+√2)²=3 2.√2x²+4√3x=2√2
解方程1.(x+√2)²=3 2.√2x²+4√3x=2√2
解方程1.(x+√2)²=3 2.√2x²+4√3x=2√2
(x+√2)²=3
x+√2=±√3
x=-√2±√3
√2x²+4√3x=2√2
x²+2√6x=2
x²+2√6x+6=2+6
(x+√6)²=8
x=-√6±2√2