Test: Factorisation I - Normal

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Question 1:   Factorise: 2a+2
4a
2( a+1 )
2a+1
a
Question 2:   Factorise: 4b+12
3( b+4 )
16b
4( b+3 )
8b
Question 3:   Factorise: 3x+9y
12( x+y )
12xy
3( x+y )
3( 3y+x )
Question 4:   Factorise: 5a+15ab
3 a 2 b
3a( 5b+1 )
5a( 3b+1 )
20 a 2 b
Question 5:   Factorise: 3 a 2 +4a
a( 7a+1 )
7 a 3
7 a 2 +a
a( 3a+4 )
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