document.write( "Question 21482: Could you please help me with this problem \r
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document.write( "Solve for x: \n" );
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Algebra.Com's Answer #10385 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! 4x^4+20x^2=-25 \n" ); document.write( "4x^4+20x^2+25=0 \n" ); document.write( "(2x^2)^2+2*(2X^2)(5)+(5)^2=0............ \n" ); document.write( "USE THE FORMULA (A+B)^2=A^2+B^2+2AB..WE GET \n" ); document.write( "(2X^2+5)^2=0 \n" ); document.write( "HENCE 2X^2+5=0 \n" ); document.write( "X=+SQ.RT.(-5/2)=+i*SQ.RT.(5/2)....OR.... \n" ); document.write( "X=-SQ.RT.(-5/2)=-i*SQ.RT.(5/2)....OR.... \n" ); document.write( " \n" ); document.write( " |