(a²_b²)+4(b_1)如何用因式分解计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 04:14:16
![(a²_b²)+4(b_1)如何用因式分解计算](/uploads/image/z/430783-7-3.jpg?t=%28a%26%23178%3B_b%26%23178%3B%29%2B4%28b_1%29%E5%A6%82%E4%BD%95%E7%94%A8%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E8%AE%A1%E7%AE%97)
x)HTS64OК&IO5=;Og/xiGۋ_[|t"}Pn.>]CM-I TJ$ID]NHHh$j4u4m@ (vo7
(a²_b²)+4(b_1)如何用因式分解计算
(a²_b²)+4(b_1)如何用因式分解计算
(a²_b²)+4(b_1)如何用因式分解计算
(a²-b²)+4(b-1)
=a²-b²+4b-4
=a²-(b²-4b+4)
=a²-(b-2)²
=(a+b-2)(a-b+2)