X(X+1)-5X=0
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X(X+1)-5X=0X(X+1)-5X=0X(X+1)-5X=0X(X+1-5)=0X1=0X2=4X=0x为0和4
X(X+1)-5X=0
X(X+1)-5X=0
X(X+1)-5X=0
X(X+1-5)=0
X1=0
X2=4
X=0
x为0和4
X(X+1)-5X=0
若1+x+x*x+x*x*x=0,求x+x*x+x*x*x+.+x(2000次幂)
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解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
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提取公因式:已知x*x-5x+1=0 求x*x*x-4x*x-4x-1
填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x
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一元二次方程解答!x(5x+4)=5x+44x^2-45=31x-3x^2+22x-24=0(x+8)(x+1)= -12(3x+2)(x+3)=x+14
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x²-5x+1=0
5/x²+x-1/x²-x=0