SOLUTION: How do I solve (x+4)^2=-49 using the square root method?

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: How do I solve (x+4)^2=-49 using the square root method?      Log On


   



Question 754710: How do I solve (x+4)^2=-49 using the square root method?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
+%28x%2B4%29%5E2=-49 using the square root method, we have

+sqrt%28%28x%2B4%29%5E2%29=sqrt%28-49%29

+x%2B4=sqrt%28-49+%29

x=%28-4+%2B-+sqrt%28-49+%29%29

x=%28-4+%2B-+7i%29
solutions:
+x=-4%2B7i
or
+x=-4-7i