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How Much Less 2a2 + 1 is than 3a2 – 6 ? - Mathematics

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Sum

How much less 2a2 + 1 is than 3a2 – 6 ?

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Solution

    3a2 –  6
+ 2a2 +  1
–         –       
      a2  –  7  

Concept: Combining like Terms
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Chapter 11: Algebraic Expressions - Exercise 11 (B) [Page 140]
Q 8.2

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Selina Concise Mathematics Class 8 ICSE
Chapter 11 Algebraic Expressions
Exercise 11 (B) | Q 8.2 | Page 140
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