数学分解因式!学习好的快来帮帮忙!在线等啊!(1)64+q^3 (2)8x^3y^3-1/125 (3)4a^2+b^2+c^2-4ab+4ac-2bc (4)a^2(x+y)^3-a^b^3 (5)x^2+37x+36 (6)x^4+7x^2-18 (7)6x^2-7x+36(8)q^3+2q^2+2q+1 (9)7(a+b)^2-5(a+b)-2 (10)5x^2-15x+2xy
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![数学分解因式!学习好的快来帮帮忙!在线等啊!(1)64+q^3 (2)8x^3y^3-1/125 (3)4a^2+b^2+c^2-4ab+4ac-2bc (4)a^2(x+y)^3-a^b^3 (5)x^2+37x+36 (6)x^4+7x^2-18 (7)6x^2-7x+36(8)q^3+2q^2+2q+1 (9)7(a+b)^2-5(a+b)-2 (10)5x^2-15x+2xy](/uploads/image/z/10917310-22-0.jpg?t=%E6%95%B0%E5%AD%A6%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%21%E5%AD%A6%E4%B9%A0%E5%A5%BD%E7%9A%84%E5%BF%AB%E6%9D%A5%E5%B8%AE%E5%B8%AE%E5%BF%99%21%E5%9C%A8%E7%BA%BF%E7%AD%89%E5%95%8A%21%EF%BC%881%EF%BC%8964%2Bq%5E3+++%282%298x%5E3y%5E3-1%2F125+++%283%294a%5E2%2Bb%5E2%2Bc%5E2-4ab%2B4ac-2bc++%284%29a%5E2%28x%2By%29%5E3-a%5Eb%5E3++%285%29x%5E2%2B37x%2B36+++%286%29x%5E4%2B7x%5E2-18+++%287%296x%5E2-7x%2B36%288%29q%5E3%2B2q%5E2%2B2q%2B1+++%289%297%28a%2Bb%29%5E2-5%28a%2Bb%29-2++++%2810%295x%5E2-15x%2B2xy)
数学分解因式!学习好的快来帮帮忙!在线等啊!(1)64+q^3 (2)8x^3y^3-1/125 (3)4a^2+b^2+c^2-4ab+4ac-2bc (4)a^2(x+y)^3-a^b^3 (5)x^2+37x+36 (6)x^4+7x^2-18 (7)6x^2-7x+36(8)q^3+2q^2+2q+1 (9)7(a+b)^2-5(a+b)-2 (10)5x^2-15x+2xy
数学分解因式!学习好的快来帮帮忙!在线等啊!
(1)64+q^3 (2)8x^3y^3-1/125 (3)4a^2+b^2+c^2-4ab+4ac-2bc
(4)a^2(x+y)^3-a^b^3 (5)x^2+37x+36 (6)x^4+7x^2-18 (7)6x^2-7x+36
(8)q^3+2q^2+2q+1 (9)7(a+b)^2-5(a+b)-2 (10)5x^2-15x+2xy-6y
(11)4xy+1-4x^2-y^2 (12)8x^2-26xy+15y^2
^是平方
帮帮忙!这是作业!
数学分解因式!学习好的快来帮帮忙!在线等啊!(1)64+q^3 (2)8x^3y^3-1/125 (3)4a^2+b^2+c^2-4ab+4ac-2bc (4)a^2(x+y)^3-a^b^3 (5)x^2+37x+36 (6)x^4+7x^2-18 (7)6x^2-7x+36(8)q^3+2q^2+2q+1 (9)7(a+b)^2-5(a+b)-2 (10)5x^2-15x+2xy
这应是立方和公式与立方差公式的活用
公式:a^3+b^3=(a+b)(a^2-ab+b^2);a^3-b^3=(a-b)(a^2+ab+b^2)
可以套用:(1)可以分解为4^3+q^3=(4+q)(4^2-4q+q^2)=(4+q)(16-4q+q^2)
(2)可以分解为(2xy)^3-(1/5)^3 =(2xy-1/5)[(2xy)^2+2/5xy+(1/5)^2]
(5)可以分解为x^2+2*6x+6^2+25x=(x+6)^2+25x