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Divide: 3y3 - 9ay2 - 6ab2y by -3y - Mathematics

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Question

Divide: 3y3 - 9ay2 - 6ab2y by -3y 

Sum

Solution

`(3y^3 - 9ay^2 - 6ab^2y)/(-3y)`

Write the division term by term:

`(3y^3)/(-3y) - (9ay^2)/(-3y) - (6ab^2y)/(-3y)`

Simplify each term

1. For `(3y^3)/(-3y): (3y^3)/(-3y) = -y^2`

2. For `(9ay^2)/(-3y): (9ay^2)/(-3y) = -3ay`

3. For `(6ab^2y)/(-3y) = -2ab^2`

Combine all the simplified terms:

−y2 + 3ay + 2ab2

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Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (D)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (D) | Q 5.4
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