Test: Factorisation II - Challenging

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Question 1:   Factorise: 3pr2rq+3sp2qs
( 3p+2q )( qp )
( 3p+2q )( rs )
( 3p2q )( r+s )
( 3r2s )( q+p )
Question 2:   Factorise: 2qr+3pr8qs12ps
( 3p+2q )( r+4s )
( 3p+4s )( rq )
( 3p+4s )( r+q )
( 3p+2q )( r4s )
Question 3:   Factorise: 4 y 2 16
( 2y4 )( y+4 )
( y4 )( y+4 )
2( y 2 4 )( y 2 +4 )
4( y2 )( y+2 )
Question 4:   Factorise: 16 x 2 256
16( x4 )( x+4 )
4( x16 )( x+16 )
16( x16 )( x+16 )
( x16 )( x+16 )
Question 5:   Factorise: x 2 9x+20
( x3 )( x+6 )
( x+4 )( x5 )
( x4 )( x5 )
( x2 )( x+10 )
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