Multiplying Out Brackets (2)
• Introduction

When we multiply out brackets, everything inside the bracket gets multiplied by whatever is outside the bracket.

Take care with the signs remembering the rules about multiplying negative numbers.

The following examples show how the 3 and the -3 outside the brackets affect the terms inside the brackets.

• Question 1

Multiply out the brackets and select the correct answer.

3(-2x + 4)

32x + 34

-6x + 12

x + 4

• Question 2

Multiply out the brackets and select the correct answer.

3(5x + 14)

15x + 14

15x + 42

35x + 314

• Question 3

Multiply out the brackets and select the correct answer.

3(5x - 40)

15x - 120

15x - 40

35x - 340

• Question 4

Multiply out the brackets and select the correct answer.

30(4x - 3)

34x - 33

120x - 90

120x - 330

• Question 5

Multiply out the brackets and select the correct answer.

-3(4x - 15)

-7x - 18

12x - 45

-12x + 45

• Question 6

Multiply out the brackets and select the correct answer.

-3(15x + 9)

-45x - 27

45x - 9

-45x + 9

• Question 7

Multiply out the brackets and select the correct answer.

-30(5x - 12)

-150x - 360

150x - 42

-150x + 360

• Question 8

Multiply out the brackets and select the correct answer.

3(15 - 2x)

45 - 6x

45x - 1

45x - 6

• Question 9

Multiply out the brackets and select the correct answer.

-3(25 - x)

-75 - 3x

75x - 3

-75 + 3x

• Question 10

Multiply out the brackets and select the correct answer.

-4(25x + 4)

-100x + 16

-100x -16

-100 + 16x

Progress