Back to OCR Algebra Introduction (F) Home
​Algebra Introduction: Quiz 6 - Answers

1) 12x2 + 9x

 

2) 4y + 15

 

3) 37a3 – 12a2b

 

4) 2c + 47

 

5) 20d – 11d2 + 70

Working
Questions
Expand and simplify the expressions below.

1) 3x(4x + 5) – 6x

 

2) 7(y – 3) + 3(12 – y)

 

3) 6a2(5a – 2b) + 7a3

 

4) 8(c + 4) – 3(2c – 5)

 

5) -4(-5d + d2) – 7(d2 – 10)