Math, asked by anitapravatdash, 6 months ago

subtract the sum of 9b²-3c²and 2b²+bc-2c² from the sum of 2b²-2bc-c² and c²+2bc-b²

Answers

Answered by saritasoni24

6

Answer:

here is ur answer dear

Attachments:

Answered by ajendratiwari275

3

2b²-2bc-c²+c²2bc-b²-

(9b²-3c²+ 2b²+bc-2c²)=b²-9b²+3c²-2b²-bc+2c² =10b²+5c²-bc

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