Simplify:

Simplify: `"y"/5 + "y" - "19y"/15`

Sum

`"y"/5 + "y" - "19y"/15`

`= "y"/5 + "y"/1 - "19y"/15`

`= ("3y" + "15y" - "19y")/15`

`= ("18y" - "19y")/15`

`= (-"y")/15`

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

Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (E) | Q 14

Subtract: 4p + p² from 3p² - 8p

What must be added to 2a³ + 5a – a² – 6 to get a² – a – a³ + 1?

Subtract the sum of 3a² – 2a + 5 and a² – 5a – 7 from the sum of 5a² -9a + 3 and 2a – a² – 1

If x = 4a² + b² - 6ab; y = 3b² - 2a² + 8ab and z = 6a² + 8b² - 6ab find: x - y - z

If m = 9x² - 4xy + 5y² and n = - 3x² + 2xy - y² find: m + 2n

If m = 9x² - 4xy + 5y² and n = - 3x² + 2xy - y² find: m - 3n

Multiply: - 3m²n + 5mn - 4mn² and 6m²n

Multiply: x³ - 3y³ and 4x²y²

Simplify: `"3a"/8 + "4a"/5 - ("a"/2 + "2a"/5)`

Simplify: `"2a + 1"/3 + "3a - 1"/2`

Simplify: "Y"/5 + "Y" - "19y"/15