
过程详细一点,谢谢
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解析:
(2x-1)²=x²-6x+9
(2x-1)²=(x-3)²
(2x-1)²-(x-3)²=0
(2x-1+x-3)(2x-1-x+3)=0
(3x-4)(x+2)=0
x=4/3或x=-2
√2x²+4√3x=2√2
x²+2√6x-2=0
Δ
=(2√6)²-4*1*(-2)
=32
x
=(-2√6±√Δ)/2
=(-2√6±√32)/2
=(-√6±2√2)
(2x-1)²=x²-6x+9
(2x-1)²=(x-3)²
(2x-1)²-(x-3)²=0
(2x-1+x-3)(2x-1-x+3)=0
(3x-4)(x+2)=0
x=4/3或x=-2
√2x²+4√3x=2√2
x²+2√6x-2=0
Δ
=(2√6)²-4*1*(-2)
=32
x
=(-2√6±√Δ)/2
=(-2√6±√32)/2
=(-√6±2√2)
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