(x^2-1)^2-(x^2-1)(x+5)怎么因式分解
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(x^2-1)^2-(x^2-1)(x+5)怎么因式分解(x^2-1)^2-(x^2-1)(x+5)怎么因式分解(x^2-1)^2-(x^2-1)(x+5)怎么因式分解(x^2-1)^2-(x^2-1
(x^2-1)^2-(x^2-1)(x+5)怎么因式分解
(x^2-1)^2-(x^2-1)(x+5)怎么因式分解
(x^2-1)^2-(x^2-1)(x+5)怎么因式分解
(x^2-1)^2-(x^2-1)(x+5)
=(x^2-1)((x^2-1)-(x+5))
=(x^2-1)(x^2-x-6)
=(x-1)(x+1)(x-3)(x+2)
( x" - 1 )" - ( x" - 1 )( x + 5 )
= ( x" - 1 )[ ( x" - 1 ) - ( x + 5 ) ]
= ( x - 1 )( x + 1 )( x" - 1 - x - 5 )
= ( x - 1 )( x + 1 )( x" - 3x + 2x - 6 )
= ( x - 1 )( x + 1 )[ x( x - 3 ) + 2( x - 3 ) ]
= ( x - 1 )( x + 1 )( x + 2 )( x - 3 )
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
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分解因式----（X*X-X)(X*X-X-2)+1
】x(x+1)+x^2(x-1)
1/(1-x)+1/(1+x)+2/(1+x*x)+4/(1+x*x*x*x)+8/(1-x*x*x*x*x*x*x*x)怎么做
x-1/x-2
{2X+1}+{X}
(x^2-1)/x
x^2-1/x
2X+|X+1|
｜x-1｜+｜x-2｜
(x+1)/(x+2)
/X+1/+/X+2/
2x/(1-x)
|X+2|+|X-1|
2x-1 (x
|x-2|+|x-1|