SOLUTION: Solve the given equation. Use +/- to represent . x² = -9 2x² + 72 =0 4x² = -16 x² + 121 = 0 x² + 49 = 0

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: Solve the given equation. Use +/- to represent . x² = -9 2x² + 72 =0 4x² = -16 x² + 121 = 0 x² + 49 = 0      Log On


   

Question 884432: Solve the given equation. Use +/- to represent .
x² = -9
2x² + 72 =0
4x² = -16
x² + 121 = 0
x² + 49 = 0
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
x=0+%2B-+3i
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.
2x%5E2=-72
x%5E2=-36
x=0+%2B-+6i
.
.
x%5E2=-4
x=0+%2B-+2i
.
.
x%5E2=-121
x=0+%2B-+11i
.
.
x%5E2=-49
x=0+%2B-+7i