Question

By column method please ​

Answer 1

Answer:

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Answer 2

question:

1. 21+3m-6n+4p, 31-5m+16n-4p, 121-6m-4n-2p and 1-2m+3n-4 ( I am telling it in horizontal method)

Step-by-step explanation:

first we collect the like terms

=21+31+121+1,3m-5m-6m-2m,-6n+16n-4n+3n

= 174-2m-16n

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