The answer is 1188.
Hope it helped :)


One way to find

is to notice that the part on the left hand side within the parentheses can be written as a square:

So you could write

Since these two expressions are equal, and the bases are the same, you know the exponents must be equal, with the exponent on the right hand side being 1. So

, or

.
The dashed boundary line means that the solutions are not on the boundary line. It is used for < and >