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Mathematics 8 Online
OpenStudy (anonymous):

-4√80 + 4√45 + 2√5 ?

OpenStudy (hoblos):

\[-4\sqrt{5}\]

OpenStudy (anonymous):

isn't it \[-2\sqrt{5}\]?

OpenStudy (anonymous):

yea it was -2√5

jhonyy9 (jhonyy9):

sqrt80 =4sqrt5

jhonyy9 (jhonyy9):

sqrt45=3sqrt5

OpenStudy (hoblos):

yup sorry i was wrong :(

OpenStudy (anonymous):

lol its okay!

OpenStudy (anonymous):

i have a lot more!!!!! soo hahaha you can make it up!

jhonyy9 (jhonyy9):

yes the answer is -2sqrt5

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