分解因式:a3+ab2-2a2b=______.
题型:填空题难度:一般来源:不详
分解因式:a3+ab2-2a2b=______. |
答案
a3+ab2-2a2b, =a(a2+b2-2ab), =a(a-b)2. |
举一反三
把下列各式分解因式: (1)x6-81x2y4 | (2)2x2-x-3 | (3)x2-7x-8 | (4)a3-2a2+a | (5)a2+6a+5 | (6)7x2+13x-2 | (7)-x2+4x+5 | (8)-3x2+10x+8 | (9)x3z-4x2yz+4xy2z | (10)x3z-4x2yz+4xy2z | (11)x4+6x2+9 | (12)(x-1)2-4(x-1)y+4y2 | (13)(x2-10)(x2+5)+54 | (14)(a-b)(x-y)-(b-a)(x+y) | (15)4m5+8m3n2+4mn4 | (16)4a2+4ab+b2-1 | (17)x3-x2-2x+2. | (23s2•苏州)若a=2,a+b=e,则a2+ab=______. | 分解因式: (1)2a2-8 (2)x2y-6xy+8y. |
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