document.write( "Question 362980: (7x^2-12)^(1/4)=x
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document.write( "Can you show the steps to solving this question? \n" );
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Algebra.Com's Answer #258708 by mananth(16946)![]() ![]() You can put this solution on YOUR website! (7x^2-12)^(1/4)=x \n" ); document.write( "Raise it by 4 power \n" ); document.write( "(7x^2-12)^(1/4 *4)= x^4 \n" ); document.write( "7x^2-12=x^4 \n" ); document.write( "x^4-7x^2+12=0 \n" ); document.write( "x^4-4x^2-3x^2+12=0 \n" ); document.write( "x^2(x^2-4)-3(x^2-4)=0 \n" ); document.write( "(x^2-4)(x^2-3)=0 \n" ); document.write( "(x+2)(x-2)(x^2-3)=0 \n" ); document.write( "x= +/- 2 \n" ); document.write( "x=+/- sqrt(3) \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |