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Multiply: 3ab − 4b by 3ab - Mathematics

Multiply:

3ab − 4b by 3ab

Sum

(3ab − 4b) × 3ab

= 3ab × 3ab − 4b × 3ab

= 3 × 3a¹⁺¹× b¹⁺¹ − 4 × 3 × a × b¹⁺¹

= 9a²b² − 12ab²

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Chapter 19: Fundamental Operations (Related to Algebraic Expressions) - Exercise 19 (C)

Chapter 19 Fundamental Operations (Related to Algebraic Expressions)
Exercise 19 (C) | Q 4.2

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