SOLUTION: Select all the solutions to (x+2)2=−81 x=11 x=7 x=−11 x=−7 x=2+9i x=−2+9i x=2−9i x=−2−9i

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Select all the solutions to (x+2)2=−81 x=11 x=7 x=−11 x=−7 x=2+9i x=−2+9i x=2−9i x=−2−9i       Log On


   

Question 1209420: Select all the solutions to (x+2)2=−81

x=11


x=7


x=−11

x=−7

x=2+9i

x=−2+9i

x=2−9i

x=−2−9i

Answer by timofer(104) About Me  (Show Source):
You can put this solution on YOUR website!
Exponent there?
%28x%2B2%29%5E2=-81

x%2B2=sqrt%28-1%2A9%289%29%29

x%2B2=0%2B-+9i
x=-2%2B-+9i