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
Answer:
60
Step-by-step explanation:
12*10 = 120/2
Answer:
Negitive
Step-by-step explanation:
2-91= -89
Answer:
999999
Step-by-step explanation:
Lynn is 7, Tobbe is 11.. Go get a Slurpee now