因式分解:t²-10-3t

问题描述:

因式分解:t²-10-3t

=(t-5)(t+2)
望采纳

t²-10-3t
=(t-5)(t+2)

t²-10-3t 用十字相乘法
=(t+2)(t-5)
不懂追问哈!

t²-10-3t=t²-3t-10=(t+2)(t-5)