document.write( "Question 192279This question is from textbook Elementary and intermediate algebra
\n" ); document.write( ": b^4 + 13b^2 + 36 = 0 find all real and imaginary solutions to the equation \n" ); document.write( "
Algebra.Com's Answer #144310 by Alan3354(69443)\"\" \"About 
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b^4 + 13b^2 + 36 = 0 find all real and imaginary solutions to the equation
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\n" ); document.write( "(b^2+4)*(b^2+9) = 0
\n" ); document.write( "b = +2i, -2i, +3i, -3i
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