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October 23, 2014

October 23, 2014

Posted by **Tristin** on Friday, January 25, 2013 at 12:59pm.

(-8 – 9 11)2

How do you do this?

- Math -
**Ms. Sue**, Friday, January 25, 2013 at 1:02pm(-8 – 9 11)2

Are you sure you've typed this correctly?

What is "9 11"?

- Math -
**Tristin**, Friday, January 25, 2013 at 1:15pmthere's supposed to be a square root symbol there.. Silly computer.

- Math -
**Reiny**, Friday, January 25, 2013 at 1:19pmSo we have

(-8 - 9√11)^2 ?

= 64 + 144√11 + 81(11)

= 955 + 144√11

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