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Multiply: 9xy + 2y2 and 2x - 3y - Mathematics

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Question

Multiply: 9xy + 2y2 and 2x - 3y 

Sum

Solution

Product of 9xy + 2y2 and 2x - 3y 

= (9xy + 2y2) × (2x - 3y)

= 18x2y - 23xy2 - 6y3 

9xy + 2y2
× 2x - 3y      
18x2 y + 4xy2 
           - 27xy2 - 6y2
18x2y - 23xy2 - 6y3

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Performs Operations (Addition and Subtraction) on Algebraic Expressions with Integral Coefficients Only.
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Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (C)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (C) | Q 1.6
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