Question

(2√6-6√7)(3√6+9√7=

Answer 1

some thing wrong withinternet

Answer 2

keep get lost

Answer 3

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

Answer 4

(6√36 )+ (18√42 )- (18√42)-(54√49)

Answer 5

36-378 =-342

Answer 6

http://www.wolframalpha.com/input/?i=%282%E2%88%9A6-6%E2%88%9A7%29%283%E2%88%9A6%2B9%E2%88%9A7%29

Answer 7

get it?

Answer 8

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

Answer 9

no

Answer 10

Oh ok. Thanks ur awesome

Answer 11

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

Answer 12

Oohhh I see now...Thanks mam!

Answer 13

medal?