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OpenStudy (lakers):
Simplify: 5√2 + 4√2 A. √2 B. 6 C. 3√2 D. 9√2
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jimthompson5910 (jim_thompson5910):
Hint: think of 5√2 + 4√2 as 5x+4x where x = √2
OpenStudy (lakers):
so A?
jimthompson5910 (jim_thompson5910):
5x+4x = ???
OpenStudy (lakers):
oh then thats D
jimthompson5910 (jim_thompson5910):
yep
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