计算这道题 (2m²+4m-3)+(5m+2)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 14:32:20
计算这道题 (2m²+4m-3)+(5m+2)

计算这道题 (2m²+4m-3)+(5m+2)
计算这道题 (2m²+4m-3)+(5m+2)

计算这道题 (2m²+4m-3)+(5m+2)
(2m²+4m-3)+(5m+2)
=2m^2+4m-3+5m+2
=2m^2+9m-1

(2m²+4m-3)+(5m+2)
=2m^2+9m-1

(2m²+4m-3)+(5m+2)
=2m^2+4m-3+5m+2
=2m^2+9m-1

=2m²+9m-1
=2m²+9m-5+4
=(2m-1)(m+5)+4