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Mathematics
Jaxson Baker
2 July, 09:01
Simplify m (2+n-m) + 3 (3n+m^2-1)
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Barbara Molina
2 July, 11:58
0
Answer:2m^2+mn+2m+9n-3
Step-by-step explanation:
m (2+n-m) + 3 (3n+m^2-1)
open brackets
2m+mn-m^2+9n+3m^2-3
Collect like terms
3m^2-m^2+mn+2m+9n-3
2m^2+mn+2m+9n-3
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