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Factorise 2x^2(x + 1) - 4x

Guest Mar 8, 2017
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2x^2(x + 1) - 4x  =  [ expand ]

 

2x^3 + 2x^2 - 4x  =

 

2x [ x^2 + x - 2]  =

 

2x [ x + 2] [ x - 1 ]

 

 

cool cool cool

CPhill  Mar 8, 2017

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