Answers

  • Brainly User
2014-07-15T18:19:24+05:30
5a² - 3b² + 16b² - 3a² - 11a² - 9b²
= 2a² +13b² -11a² - 9b²
= -9a² +4b²
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please do calculations
what calculations i have to show here
oh edited now now telling to me only btw thanks for editing the answers and showing calculations
plz mark as best
2014-07-15T18:20:25+05:30

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So we add
5a² - 3b² + 16b² - 3a² - 11a² - 9b²
so simply add as if doing adding and subtraction simply with the numbers but just do b with b and a with a 
= -6a² +13b² -3a² - 9b²
= -9a² +4b²
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