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December 19, 2014

December 19, 2014

Posted by **crystal** on Sunday, January 11, 2009 at 9:24pm.

- college algebra -
**Damon**, Sunday, January 11, 2009 at 9:37pmIf you are telling me that

(x+y)^2 = x^2 + y^2

That is not true

(x+y)^2 = x^2 + 2 x y + y^2

as you can see by multiplying

(x+y)(x+y) = x(x+y) + y(x+y) =x^2 + xy + xy + y^2

- college algebra -
**Damon**, Sunday, January 11, 2009 at 9:39pmNow if you mean

2 (x + y) = 2 x + 2 y

that is simply the distributive property of multipication.

- college algebra -
**john**, Saturday, October 4, 2014 at 9:16pmsolc for v

[\sqrt;[6v-2]]=[\sqrt;[9v-8]]

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