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Mathematics 7 Online
OpenStudy (narissa):

please help

OpenStudy (narissa):

OpenStudy (narissa):

is B the correct answer?? @Awolflover1

OpenStudy (narissa):

@mazmaz1

OpenStudy (narissa):

@Nnesha

OpenStudy (narissa):

@welshfella

OpenStudy (narissa):

@leticiau

OpenStudy (narissa):

@purple_pink

OpenStudy (purple_pink):

ok hi

OpenStudy (narissa):

hello can u please help me

OpenStudy (purple_pink):

yes lemme calculate

OpenStudy (anonymous):

It's D. \[6\sqrt{30}-6\]

OpenStudy (narissa):

how did u get that?

OpenStudy (purple_pink):

yep!

OpenStudy (purple_pink):

medal goes to her, she answered first :)

OpenStudy (anonymous):

You use the order of operations and multiply 2 sq.rt 6 x sq.rt5 and you get 2sq.rt. 30. then you multiply 4sqrt.6 x sq.rt 5 and you get 4sqrt.30. Your equation will then be 2sqrt 30 + 4sqrt 30 - sqrt6. SO you add the 2sqrt 30 and 4sqrt 30 and you get 6sqrt 30 - sqrt6

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