SOLUTION: please help me solve this equation: x^2 + 1 = 0

Question 589498: please help me solve this equation: x^2 + 1 = 0
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
For this problem, subtract 1 from both sides to get:
x^2 = -1
Square root both sides to get:
x=+-sq rt -1
This is an imaginary number (sometimes called a complex number)and can be written as i sq rt 1
Make sense?
RJ
www.math-unlock.com
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