Test: Factorisation II - Ambitious

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Question 1:   Factorise: px+py+qx+qy
( p+x )( q+y )
q( x+y )+p( x+y )
( xy )( p+q )
( p+q )( x+y )
Question 2:   Factorise: ax+aybxby
( a+x )( by )
( a+b )( xy )
( ab )( x+y )
( ax )( b+y )
Question 3:   Factorise: ya+bx+by+xa
( a+x )( b+y )
( a+b )( x+y )
( ab )( xy )
( a+b )( xy )
Question 4:   Factorise: ( 4 x 2 9 y 2 )
( 2x3y ) 2
( 4x9y )( x+y )
( x3y )( 4x+3y )
( 2x3y )( 2x+3y )
Question 5:   Factorise: ( x 4 25 )
( x 2 5 ) 2
( x5 )( x+5 )
( x 2 +5 ) 2
( x 2 5 )( x 2 +5 )
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