(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a的4次方-10a的3次方c)÷(-2a的2次方)(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a的4次方-10a的3次方c)÷(-2a的2次方)(x的2次方+2)的2次方-2(x+2)(x的二次方+4)+(x的2
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 19:57:19
![(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a的4次方-10a的3次方c)÷(-2a的2次方)(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a的4次方-10a的3次方c)÷(-2a的2次方)(x的2次方+2)的2次方-2(x+2)(x的二次方+4)+(x的2](/uploads/image/z/2586990-30-0.jpg?t=%EF%BC%882a%2Bc%EF%BC%89%EF%BC%88a-c%EF%BC%89-%282a%2Bb-c%29%28b%2Bc-2a%29%2B%2812a%E7%9A%844%E6%AC%A1%E6%96%B9-10a%E7%9A%843%E6%AC%A1%E6%96%B9c%EF%BC%89%C3%B7%EF%BC%88-2a%E7%9A%842%E6%AC%A1%E6%96%B9%EF%BC%89%EF%BC%882a%2Bc%EF%BC%89%EF%BC%88a-c%EF%BC%89-%282a%2Bb-c%29%28b%2Bc-2a%29%2B%2812a%E7%9A%844%E6%AC%A1%E6%96%B9-10a%E7%9A%843%E6%AC%A1%E6%96%B9c%EF%BC%89%C3%B7%EF%BC%88-2a%E7%9A%842%E6%AC%A1%E6%96%B9%EF%BC%89%EF%BC%88x%E7%9A%842%E6%AC%A1%E6%96%B9%2B2%EF%BC%89%E7%9A%842%E6%AC%A1%E6%96%B9-2%EF%BC%88x%2B2%EF%BC%89%EF%BC%88x%E7%9A%84%E4%BA%8C%E6%AC%A1%E6%96%B9%2B4%EF%BC%89%2B%EF%BC%88x%E7%9A%842)
(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a的4次方-10a的3次方c)÷(-2a的2次方)(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a的4次方-10a的3次方c)÷(-2a的2次方)(x的2次方+2)的2次方-2(x+2)(x的二次方+4)+(x的2
(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a的4次方-10a的3次方c)÷(-2a的2次方)
(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a的4次方-10a的3次方c)÷(-2a的2次方)
(x的2次方+2)的2次方-2(x+2)(x的二次方+4)+(x的2次方-2)的二次方
(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a的4次方-10a的3次方c)÷(-2a的2次方)(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a的4次方-10a的3次方c)÷(-2a的2次方)(x的2次方+2)的2次方-2(x+2)(x的二次方+4)+(x的2
(2a+c)(a-c)-(2a+b-c)(b+c-2a)+(12a^4-10a³c)÷(﹣2a²)
=2a²-ac-c²-[b²-﹙2a-c﹚²]+﹙-6a²+5ac﹚
=2a²-ac-c²-[b²-﹙4a²-4ac+c²﹚]+﹙-6a²+5ac﹚
=2a²-ac-c²-b²+4a²-4ac+c²-6a²+5ac
=﹣b²
(x²+2)²-2(x+2)(x²+4)+(x²-2)²
=x^4+4x²+4-2﹙x³+2x²+4x+8﹚+x^4-4x²+4
=x^4+4x²+4-2x³-4x²-8x-16+x^4-4x²+4
=2x^4-2x³-4x²-8x-8