Find the Sum Of: 4x2+ 8xy – 2y2 and 8xy – 5y2 + X2 - Mathematics

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Sum

Find the sum of: 4x2+ 8xy – 2y2 and 8xy – 5y2 + x2 

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Solution

4x2+ 8xy – 2y2 and 8xy – 5y2 + x2

4x2+ 8xy – 2y2 + 8xy – 5y2 + x2 

= 4x2 + x2 + 8xy + 8xy - 2y2 - 5y2 

= 5x2 + 16xy - 7y2 

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Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (B)

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Selina Concise Mathematics Class 7 ICSE
Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (B) | Q 5.03

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