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Copy and Complete the Following Multi-plication: 3m2 + 6m - 2n × 5n - 3m - Mathematics

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Question

Copy and complete the following multi-plication:

3m2 + 6m - 2n
× 5n - 3m           

Sum

Solution

3m2 + 6m - 2n
× 5n - 3m           
15m2n + 30mn - 10n2 - 9m3 - 18m2 
            + 6mn                                  
15m2n + 36mn - 10n2 - 9m3 - 18m2

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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 2.7
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