用因式分解做4+(x-1)(X-5)

2024-11-22 22:43:36
推荐回答(4个)
回答(1):

(X 2)(X-3)(X 4)(X-5) 13 =(x^2-x-6)(x^2-x-20) 13 6a2b 4ab2-2ab=2ab(3a 2b-1).点评 用“提公因式法”分解因式,操作时

回答(2):

4+(x-1)(X-5)
=4+X平方-6X+5
=X平方-6X+9
=(X-3)(X-3)
X1=X2=3

回答(3):

4+(x-1)(X-5)
=4+x²-6x+5
=x²-6x+9
=(x-3)²

回答(4):

4+(x-1)(X-5)
=4+x^2-6x+5
=x^2-6x+9
=(x-3)^2