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Factorise the following: A. 4xy-16 B. xy+2xy-x C. 2x²-18x+12 D. 5xy+20x-9y-36

Factorise the following: A. 4xy-16 B. xy+2xy-x C. 2x²-18x+12 D. 5xy+20x-9y-36
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13 votes
Factorise the following:

A. 4xy-16
B. xy+2xy-x
C. 2x²-18x+12
D. 5xy+20x-9y-36

asked
User Tijko
by
7.7k points

1 Answer

13 votes

A. 4xy-16

=4(xy−4)

B. xy+2xy-x

3xy−x

=x(3y−1)

C. 2x²-18x+12

2x²−18x+12

=2(x²−9x+6)

D. 5xy+20x-9y-36

5xy+20x−9y−36

=(y+4)(5x−9)

answered
User TYZ
by
8.0k points
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