Posted by **Leo** on Thursday, November 8, 2007 at 3:59pm.

Can anyone please check the following for me please

Expand (5 - 2x) Squared

(5 - 2x) (5 - 2x)

5 sqrd + 5 X - 2x + -2x x 5 + -2x X -2x

so

5 Sqrd - 10x - 10x + 4X

= 5 sqrd + 4x

Am I right..thank you :-)

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