求解方程
2个回答
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25(x+3)^2=16(x_2)^2
5(x+3)=±4(x_2),
x=_23或x=_7/9
3x^2_2√6x+2=0,
(√3x_√2)^2=0,
x=√2/√3
设x^2_x=y,y^2_4(2y_3)=0
y^2_8y+12=0,
(y_2)(y_6)=0,
y=2, y=6,
有x^2_x=2或x^2_x=6,
x=2, x=_1, x=3, x=_2;
x=(_2n±√(4n^2_16n^2_32n+80))/8=(_n±√(80_32m_12n^2))/4
5(x+3)=±4(x_2),
x=_23或x=_7/9
3x^2_2√6x+2=0,
(√3x_√2)^2=0,
x=√2/√3
设x^2_x=y,y^2_4(2y_3)=0
y^2_8y+12=0,
(y_2)(y_6)=0,
y=2, y=6,
有x^2_x=2或x^2_x=6,
x=2, x=_1, x=3, x=_2;
x=(_2n±√(4n^2_16n^2_32n+80))/8=(_n±√(80_32m_12n^2))/4
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