1)√5*x²-√2x=√2*x²-√5*x2)x²+(1+2√3)x+3+√33)5x(3x-√2)-3√3*x+√61)√5*x²-√2x=√2*x²-√5*x2)x²+(1+2√3)x+3+√3=03)5x(3x-√2)-3√3*x+√6=0
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1)√5*x²-√2x=√2*x²-√5*x2)x²+(1+2√3)x+3+√33)5x(3x-√2)-3√3*x+√61)√5*x²-√2x=√2*x²-√5*x2)x²+(1+2√3)x+3+√3=03)5x(3x-√2)-3√3*x+√6=0
1)√5*x²-√2x=√2*x²-√5*x
2)x²+(1+2√3)x+3+√3
3)5x(3x-√2)-3√3*x+√6
1)√5*x²-√2x=√2*x²-√5*x
2)x²+(1+2√3)x+3+√3=0
3)5x(3x-√2)-3√3*x+√6=0
1)√5*x²-√2x=√2*x²-√5*x2)x²+(1+2√3)x+3+√33)5x(3x-√2)-3√3*x+√61)√5*x²-√2x=√2*x²-√5*x2)x²+(1+2√3)x+3+√3=03)5x(3x-√2)-3√3*x+√6=0
(1) √5*x²-√2x=√2*x²-√5*x
√5*x²-√2x -√2*x² +√5*x=0
(√5-√2)x²+(√5 -√2)x=0
(√5-√2)(x²+x)=0
即(x²+x)=0
解得 x=0或x= -1
(2) x²+(1+2√3)x+3+√3=0
x²+2(1/2+√3)x+(3+√3+1/4) -1/4=0
x²+2(1/2+√3)x+(1/2+√3)² -1/4=0
(x+1/2+√3)²=1/4
x+1/2+√3=1/2 或 x+1/2+√3= -1/2
解得 x= -√3 或 x= -1 -√3
1) x=0 or -1
1)x=0或x=-1;
2)、3)问题不全,请核查