Multiply: 5x2 - 8xy + 6y2 - 3by - 3xy - Mathematics

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Sum

Multiply: 5x2 - 8xy + 6y2 - 3by - 3xy

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Solution

5x2 - 8xy + 6y2 - 3by - 3xy

= (5x2 - 8xy + 6y2 - 3)(-3xy)

 = -15x3y + 24x2y− 18xy3 + 9xy

Concept: Multiplying a Monomial by a Polynomial
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Chapter 11: Algebraic Expressions - Exercise 11 (C) [Page 143]

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Selina Concise Mathematics Class 8 ICSE
Chapter 11 Algebraic Expressions
Exercise 11 (C) | Q 2.1 | Page 143
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