Lesson 8. Multiplying out brackets (1)

EXAMPLE:

Simplify

2(3n + 1) + 3n

(multiply out brackets first)

= 6n + 2 + 3n

(now collect like terms)

Answer = 9n + 2

EXAMPLE:

Simplify

3(2a + 2) + 4(a + 1)

= 6a + 6 + 4a + 4

Answer = 10a + 10

EXAMPLE:

Simplify

EXAMPLE:

Simplify

Lesson 8

•  Test 1 
•  Test 2
•  Test 3