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OpenStudy (anonymous):
(12√5 - 7√7) + (6√5 - 7√7) Would I add (12√5) to (6√5)? And, (- 7√7) to (- 7√7)? Wouldn't that give me (18√5) as my answer? or is that wrong?
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OpenStudy (anonymous):
answer is 18√5 - 14√7
OpenStudy (anonymous):
-7+(-7) = -14, not 0
OpenStudy (anonymous):
Thank you. (:
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