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
( ab )( x+y )
( ax )( b+y )
( a+x )( by )
( a+b )( xy )
Question 3:   Factorise: ya+bx+by+xa
( a+b )( xy )
( ab )( xy )
( a+b )( x+y )
( a+x )( b+y )
Question 4:   Factorise: ( 4 x 2 9 y 2 )
( 2x3y ) 2
( 2x3y )( 2x+3y )
( x3y )( 4x+3y )
( 4x9y )( x+y )
Question 5:   Factorise: ( x 4 25 )
( x 2 5 )( x 2 +5 )
( x 2 +5 ) 2
( x 2 5 ) 2
( x5 )( x+5 )
Question 6:   Factorise: x 2 +5x+6
( x+2 )( x+3 )
( x1 )( x+3 )
( x+1 )( x3 )
( x2 )( x3 )
Question 7:   Factorise: x 2 5x+6
( x+2 )( x+3 )
( x2 )( x+3 )
( x+2 )( x3 )
( x2 )( x3 )
Question 8:   Factorise: 6 x 2 +23x+20
( 3x+4 )( 2x+5 )
( x+4 )( 8x+5 )
( 3x+5 )( 2x+4 )
( 2x+4 )( 4x+5 )
Question 9:   Factorise: 2 x 2 9x5
( x1 )( 2x+5 )
( x+1 )( 2x5 )
( 2x1 )( x+5 )
( 2x+1 )( x5 )
Question 10:   Factorise: 10 x 2 17x+3
( 5x1 )( 2x3 )
( 2x+1 )( 5x3 )
( 5x1 )( 2x+3 )
( 2x1 )( 5x3 )