1.(x+2)(x+3)-12 2.(x²-y²+z²)²-4x²z²
问题描述:
1.(x+2)(x+3)-12 2.(x²-y²+z²)²-4x²z²
答
您好:
(x+2)(x+3)-12
=x²+5x+6-12
=x²+5x-6
=(x+6)(x-1)
(x²-y²+z²)²-4x²z²
=(x²-y²+z²+2xz)(x²-y²-2xz)
=[(x+z)²-y²][(x-z)²-y²]
=(x+z+y)(x+z-y)(x-z+y)(x-z-y)
如果本题有什么不明白可以追问,如果满意请点击右下角“采纳为满意回答”
如果有其他问题请采纳本题后,另外发并点击我的头像向我求助,答题不易,请谅解,谢谢.
O(∩_∩)O,记得采纳,互相帮助
祝学习进步!