Add. a+b+c,a-b-c,-a-b-c
Answers
Answered by
1
Answer:
a-b-c
Step-by-step explanation:
=a+b+c+a-b-c-a-b-c
=a+a-a+b-b-b+c-c-c
=a-b-c.
Answered by
0
Answer:
a-b-c
Step-by-step explanation:
=a+b+c+a-b-c+(-a)-b-c
=a+a+(-a)+b-b-b+c-c=c
=2a-a-b-c
=a-b-c
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