摘要:把a4-2a2b2+b4分解因式.结果是( ) A.a2(a2-2b2)+b4 B.(a2-b2)2 C.(a-b)4 D.(a+b)2(a-b)2
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把下列各式因式分解.
(1)25x3y5-5x2y2
(2)4(a+b)2-4(a+b)+l
(3)4(a-b)2-9(a+b)2
(4)-a+2a2-a3
(5)-2a3+12a2-16a
(6)a4-2a2b2+b4
(7)6y2-11y-10
(8)a2-1-2ab+b2.
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(1)25x3y5-5x2y2
(2)4(a+b)2-4(a+b)+l
(3)4(a-b)2-9(a+b)2
(4)-a+2a2-a3
(5)-2a3+12a2-16a
(6)a4-2a2b2+b4
(7)6y2-11y-10
(8)a2-1-2ab+b2.
19、把下列各式分解因式:
(1)4x3-31x+15;
(2)2a2b2+2a2c2+2b2c2-a4-b4-c4;
(3)x5+x+1;
(4)x3+5x2+3x-9;
(5)2a4-a3-6a2-a+2
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(1)4x3-31x+15;
(2)2a2b2+2a2c2+2b2c2-a4-b4-c4;
(3)x5+x+1;
(4)x3+5x2+3x-9;
(5)2a4-a3-6a2-a+2
把下列各式分解因式:
(1)4x3-31x+15;
(2)2a2b2+2a2c2+2b2c2-a4-b4-c4;
(3)x5+x+1;
(4)x3+5x2+3x-9;
(5)2a4-a3-6a2-a+2.
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(1)4x3-31x+15;
(2)2a2b2+2a2c2+2b2c2-a4-b4-c4;
(3)x5+x+1;
(4)x3+5x2+3x-9;
(5)2a4-a3-6a2-a+2.