Multiply: (Ab – 1) (3 – 2ab) - Mathematics

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Sum

Multiply:  (ab – 1) (3 – 2ab)

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Solution

(ab – 1) (3 – 2ab)

ab(3 − 2ab) − 1(3 − 2ab)

3ab − 2a2b2 − 3 + 2ab

5ab − 2a2b2 − 3

Concept: Multiplying a Polynomial by a Polynomial
  Is there an error in this question or solution?
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 14.2 | Page 143
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