(1)3(-a+1)(-a-1)-2(a+1)² (2)(-x²)^3-3x²(x^4+2x-2)
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![(1)3(-a+1)(-a-1)-2(a+1)² (2)(-x²)^3-3x²(x^4+2x-2)](/uploads/image/z/178832-56-2.jpg?t=%EF%BC%881%EF%BC%893%EF%BC%88-a%2B1%EF%BC%89%EF%BC%88-a-1%EF%BC%89-2%EF%BC%88a%2B1%EF%BC%89%26%23178%3B+%EF%BC%882%EF%BC%89%EF%BC%88-x%26%23178%3B%EF%BC%89%5E3-3x%26%23178%3B%28x%5E4%2B2x-2%29)
(1)3(-a+1)(-a-1)-2(a+1)² (2)(-x²)^3-3x²(x^4+2x-2)
(1)3(-a+1)(-a-1)-2(a+1)² (2)(-x²)^3-3x²(x^4+2x-2)
(1)3(-a+1)(-a-1)-2(a+1)² (2)(-x²)^3-3x²(x^4+2x-2)
(1)3(-a+1)(-a-1)-2(a+1)²
= 3 ( a² - 1 ) - 2 (a² + 2a + 1)
= 3a ² - 3 - 2a ²- 4a - 2
= a² - 4a - 5
= (a - 5)(a + 1)
(2)(-x²)^3-3x²(x^4+2x-2)
= - x ^6 - 3x^6 - 6x³ + 6x²
= - 4 x^6
3(a^2-1)-2(a^2+2a+1)
=a^2-4a-5=(a+1)(a-5)
这是化简题么是计算题、 可以麻烦您做一下(2)题么、 麻烦了麻烦了(-x²)^3-3x²(x^4+2x-2) =-x^6-3*x^6-6*x^3+6*x^2 =-4*x^6-6*x^3+6*x^2谢谢您了、麻烦了、谢谢!不客气 仅供参考 哈哈 你那...
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3(a^2-1)-2(a^2+2a+1)
=a^2-4a-5=(a+1)(a-5)
这是化简题么
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