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Add : X3 − X2y + 5xy2 + Y3, X3 − 9xy2 + Y3, 3x2y + 9xy2 - Mathematics

Sum

Add : x3 − x2y + 5xy2 + y3, x3 − 9xy2 + y3, 3x2y + 9xy2

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Solution

   x3 − x2y   + 5xy2 + y3
−x3             − 9xy2 + y3
       + 3x2y + 9xy2    
         2x2y + 5xy2 + 2y

Concept: Combining like Terms
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 11 Algebraic Expressions
Exercise 11 (B) | Q 2.6 | Page 140
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