document.write( "Question 1208827: Solve the equation in the complex number system.\r
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\n" ); document.write( "\n" ); document.write( "x^4 + 3x^2 - 4 = 0
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Algebra.Com's Answer #847297 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
First notice that the degree-four expression is factorable.\r
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\n" ); document.write( "\n" ); document.write( "THIS should help:\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E2-1%29%28x%5E2%2B4%29=0\"
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