实数x满足,(x²-3x)²+7(x²-3x)+6=0,则x²-3x=
实数x满足,(x²-3x)²+7(x²-3x)+6=0,则x²-3x=
已知实数x满足x²-3x+1=0.求(1)x+ 1/x (2)x²+ 1/x² (3)x-
已知实数x满足(x²+x)²-2(x²+x)-3=0,求x²+x的值
已知x为实数,且满足(x²+3x)²+3(x²+3x)-18=0.则x²+3x的
已知实数x满足(x²+3x)²+2(x²+3x)-3=0求x²+3x
已知(x+根号二)/(x-2)÷(x²+4x+4)/(x²-4),其中x满足(x-2)(x+3)=0
已知实数x满足x²+x
若实数x满足x²-5x-1=0则x²+x+1/x²-1/x= x²-1/x
已知实数X满足(X²-X)²-4(X²-X)-12=0,求代数式X²-X+1的值
若x满足x²+3x-1=0 则代数式x-1/x²+2x+1 - x+1/x-1的值为?
已知X¹ X²是方程X²+6X+3=0的两实数根,则X²/X¹+x
已知实数x,y满足x²-x+y=2,则3x-y的最小值为_______.