(x+Y+Z)²-(X-y-z)²
=(x+y+z+x-y-z)(x+y+z-x+y+z)
=2x*(2y+2z)
=4x(y+z)
﹙a²+4﹚²-16a²
=(a²+4-4a)(a²+4+4a)
=(a-2)²(a+2)²
因式分解(x+Y+Z)²-(X-y-z)²和﹙a²+4﹚²-16a
因式分解(x+Y+Z)²-(X-y-z)²和﹙a²+4﹚²-16a
数学人气:829 ℃时间:2020-04-09 05:33:22
优质解答
我来回答
类似推荐
猜你喜欢