4(a-3)-(a+3) 用因式分解,
问题描述:
4(a-3)-(a+3) 用因式分解,
答
4(a-3)-(a+3)
=4a-12-a-3
=3a-15
=3(a-5)
4(a-3)-(a+3) 用因式分解,
4(a-3)-(a+3)
=4a-12-a-3
=3a-15
=3(a-5)