(x-3)^2-(x-1)(x-2)-7(x+1)简便运算（12a^4b^5-4a^8b^3-6a^2b^3)除以2a^2b^3

分类: 作业答案 • 2021-12-19 15:51:43

问题描述：

答

=x²-6x+9-(x²-3x+2)-7x+7
=-10x+14
（12a^4b^5-4a^8b^3-6a^2b^3)除以2a^2b^3
=12a^4b^5除以2a^2b^3-4a^8b^3除以2a^2b^3-6a^2b^3除以2a^2b^3
=6a²b²-2a^6-3

(x-3)^2-(x-1)(x-2)-7(x+1)简便运算 （12a^4b^5-4a^8b^3-6a^2b^3)除以2a^2b^3