subtract : ( a-b+c)-2(-a+b-c) from 5( a+2b-c)column method se banana hai
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Answered by
1
Answer:
Using column method, add ab+2bc−ca and 2ab−bc−ca and subtract 4ab+5bc−3ca
Answered by
1
Answer:2a+7b-4c
Step-by-step explanation:
(a-b+c)-2(-a+b-c) from 5(a+2b-c)
=5(a+2b-c)-[(a-b+c)-2(-a+2b-c)]
=5(a+2b-c)-[a-b+c+2a+4b-2c]
=5a+10b-5c-a+b-c-2a-4b+2c
=5a-a-2a+10b+b-4b-5c-c+2c
=2a+7b-4c
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