计算这道题 (2m²+4m-3)+(5m+2)
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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
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