Anon1550 Anon1550

16-04-2016
Mathematics

contestada

Factorise fully 2x^2-4xy

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anniesh7 anniesh7

16-04-2016

The answer is 2x(x-2y)

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apologiabiology apologiabiology

17-04-2016

x^2=x*x
undistribute propoerty
ab-ac=a(b-c)
find a aka common factor

2x^2=2*x*x
4xy=2*2*x*y
common is 2*x=2x

a=2x
2x(x)-2x(2y)=2x(x-2y)

Answer Link

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