Test: Factors I - Normal

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Question 1:   Factorise: 15=...
3×4
1×3×3
3×5
1×3×5
Question 2:   Factorise: 40=...
1×2×5
2×2×5
2×2×2×5
1×2×2×2×5
Question 3:   Factorise: 9 x 2 -16=...
( 3x-4 )( 3x+4 )
( 3x-1 )( 3x+4 )
( x-4 )( x+4 )
( 3x-1 )( 3x+1 )
Question 4:   Factorise: 6 x 2 +2 x 3 =...
2x( 3x+ x 2 )
2 x 2 ( 3+x )
x 2 ( 6+2x )
x 2 ( 3+x )
Question 5:   Factorise: x 2 -5x=...
x
( x-5 ) 2
x( x-5 )
( x-1 )( x-5 )
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