(2m一1)(m十3)=30的结果是什么

2025-06-28 07:07:03
推荐回答(2个)
回答1:

(2m-1)(m+3)=30
2m²+6m-m-3-30=0
2m²+5m-33=0
(2m+11)(m-3)=0
2m+11=0
m-3=0
m1=-11/2
m2=3

回答2:

2m^2+5m-33=0
(m-3)(2m+11)=0
m1=3, m2=-11/2