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posted by Jessica on Monday, July 20, 2009 at 7:43pm.

Find all real and imaginary solutions to equation. b^4+13b^2+36 = 0

Factor into (b^2 + 9)(b^2 + 4)=0 b^2 = -9 b = +/- 3i b^2 = -4 b = +/- 2i

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