10m+4n-12p; -12n+9m-12p; 15m+2n-9p
Answers
Answered by
0
Answer:
34m-6n-9p
Step-by-step explanation:
sum of these three
is = 34m-6n-9p
Answered by
0
Answer:
10m+4n-12p; -12n+9m-12p; 15m+2n-9p= 24 m+18n-33p
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