SOLUTION: can you square a negative number? im trying to solve the equation x^2+25=0

Algebra ->  Equations -> SOLUTION: can you square a negative number? im trying to solve the equation x^2+25=0      Log On


   



Question 192165: can you square a negative number?
im trying to solve the equation
x^2+25=0

Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
an imaginary number (i) is = sq rt (-1)
x^2 +25 =0
x^2 = -25
x = +- 5 sq rt (-1) = +- 5i