初一因式分解练习题.数学练习册.

1个回答

  • (1)原式=a(x²+2a+a²)=a(x+a)²

    (2)原式=3a²(2a - 3)

    (3)原式=16x²y²z²(1+3x² - 6z²)

    (4)原式=0,(5)原式=0,

    (6)原式=2ab(a+b)(2 - 3a)

    (7)原式=(x+10)(x-10)

    (8)原式=(ab+1/3)(ab - 1/3)

    (9)原式=(2a+3b)(2a - 3b)

    (10)原式=(5 - 4a²)(5+4a²)

    (11)原式=(3/10x - 4y²)(3/10x+4y²)