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Mathematics 7 Online
OpenStudy (anonymous):

(2√6-6√7)(3√6+9√7=

OpenStudy (anonymous):

some thing wrong withinternet

OpenStudy (anonymous):

keep get lost

OpenStudy (anonymous):

(2√6 * 3√6 )+ (2√6* 9√7 ) -(6√7*3√6 ) -(6√7*9√7)

OpenStudy (anonymous):

(6√36 )+ (18√42 )- (18√42)-(54√49)

OpenStudy (anonymous):

36-378 =-342

OpenStudy (anonymous):

get it?

OpenStudy (anonymous):

Is it \[\sqrt{-342}\] ?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

Oh ok. Thanks ur awesome

OpenStudy (anonymous):

6√36 = 6*6 =36 (18√42 )- (18√42) = 0 -(54√49) = -54 * 7 = -378 36- 378 = - 342

OpenStudy (anonymous):

Oohhh I see now...Thanks mam!

OpenStudy (anonymous):

medal?

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