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

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Jason Xu asked Jul 18, 2023

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31 votes

Factorise the following:

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

Mathematics
high-school

Jason Xu asked Jul 18, 2023

by Jason Xu

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1 Answer

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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)

Seth E answered Jul 22, 2023

by Seth E

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1 Answer

A. 4xy-16

B. xy+2xy-x

C. 2x²-18x+12

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

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