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Copy and Complete the Following Multi-plication: 2a - B + 3c × 2a - 4b - Mathematics

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Question

Copy and complete the following multi-plication:

2a - b + 3c
× 2a - 4b   

Sum

Solution

2a - b + 3c
× 2a - 4b   
4a2 - 2ab + 6ac
  - 8ab + 4b2 - 12bc              
4a2 - 10ab + 6ac + 4b2 - 12bc

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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 2.6
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