math
posted by
Julissa
.
ã49 + ã343  ã2401 =
please help me solve

math 
Damon
I can not read your symbols, assume radical for square root
sqrt 49 + sqrt 343  sqrt 2401 ???
343 = 7^3
2401 = 7^4
so I have
7 + 7 sqrt 7 + 49
= 56 + 7 sqrt 7

negative sign 
Damon
forgot the negative
7 + 7 sqrt 7  49
 42 + 7 sqrt 7