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Multiply: 6x3 − 5x + 10 by 4 − 3x2 - Mathematics

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Sum

Multiply: 6x3 − 5x + 10 by 4 − 3x2

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Solution

      6x3 − 5x    + 10
×    4    − 3x2 
    24x3 − 20x   + 40
− 18x5 + 15x3 − 30x2   
− 18x5 + 39x3 − 30x2 − 20x + 40 

Concept: Multiplying a Polynomial by a Polynomial
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Chapter 11: Algebraic Expressions - Exercise 11 (C) [Page 143]
Q 2.3

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Selina Concise Mathematics Class 8 ICSE
Chapter 11 Algebraic Expressions
Exercise 11 (C) | Q 2.3 | Page 143
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