Test: Algebraic expressions II - Normal

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Question 1:   Factorise: x 2 -6x+9=...
( x-3 ) 3
( x-2 ) 2
( x-3 )( x+3 )
( x-3 ) 2
Question 2:   Expand: x( x-1 )=...
x 2 +x
x 2 -1
x-1
x 2 -x
Question 3:   Expand: ( x-3 ) 3 =...
x 3 -9 x 2 -27x-27
x 3 -9 x 2 +27x-81
x 3 -9 x 2 +27x-27
x 3 -9 x 2 +27x+27
Question 4:   Simplify: 20 x 2 4 x 3 =...
5 x 2
5 x
5x
5x x 2
Question 5:   Simplify: ( 10 x 5 2 x 2 ) 4 =...
625 x 12
625 x 12
225 x 12
625 x 7
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