Square the expression. Write your answer in simplest form.

(-8 – 9 11)2

How do you do this?

3 answers

(-8 – 9 11)2

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What is "9 11"?
there's supposed to be a square root symbol there.. Silly computer.
So we have
(-8 - 9√11)^2 ?
= 64 + 144√11 + 81(11)
= 955 + 144√11