london668 london668

13-02-2015
Mathematics

contestada

If y=(x+3) 2 then (-2x -6) 2 must equal

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hananegussie hananegussie

13-02-2015

y(x+3)2 then (-2x-6)2

is you have to distribute 2 like

2x+6=-4x-12

-2x -2x

6=-2x-12

+12 +12

-2x=0

x=0

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