Factorise into a Single Bracket Quiz 1

Which number is not a factor of 36?

• 6

• 4

• 9

• 5

Which number is the common factor of 21 and 33?

• 7

• 3

• 9

• 6

Expand the brackets:

 $2x\left(x-6\right)$  

•  $2x^2-12x$  

•  $2x^2+12x$  

•  $2x-12$  

•  $-8x$  

Can you factorise this expression?

 $3a^2-12a$  

• Yes

• No

Is this expression fully factorised?

 $5\left(x^2+2x\right)$  

• Yes

• No

Factorise:

 $6a-9$  

•  $-3\left(2a-3\right)$  

•  $3a\left(2-3\right)$  

•  $3\left(2a-3\right)$  

•  $-3\left(2a+3\right)$  

Factorise:

 $20-4x$ 

•  $4\left(5+x\right)$   
  

•  $5\left(4-x\right)$  

•  $4\left(5-x\right)$  

•  $5\left(4+x\right)$  
  

Factorise:

 $-12-6x$ 

•  $-6\left(2+x\right)$  

•  $6\left(2+x\right)$ 

•  $3\left(-4-2x\right)$  

• It does not factorise.