15 points for brainliest! what is the solution of n^2-49=0
a.-7
b7
c.+/-7
d. no solution
2. what is the solution of x^2+64=0
a.-5
b.8
c.+/-8
d. no solution
3. what is the side length of a square with an area of 144x^2
a.12
b.12x
c.+/-12x
d. no solution

The prior person is incorrect on the first and last ones. #1 should be c +/-7 because a square root can be positive or negative. for #2 it should be b 12x, the guy before must have forgot about the x. if you appreciated my help consider giving me brainliest!