> 数学 >
因式分解ax^2+ay^2-az^2-2axy
人气:164 ℃ 时间:2020-03-27 10:05:33
解答
ax^2+ay^2-az^2-2axy
=a[(x^2+y^2-2xy)-z^2]
=a[(x-y)^2-z^2]
=a(x-y+z)(x-y-z)
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版