document.write( "Question 33878: 3x^4=48x^2 \n" ); document.write( "

Algebra.Com's Answer #20286 by kietra(57) $\"\"$ $\"About$

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3x^4=48x^2
\n" ); document.write( "3x^4 - 48x^2=0
\n" ); document.write( "3x^2(x^2 - 16) = 0
\n" ); document.write( "3x^2(x - 4)(x + 4) = 0
\n" ); document.write( "3x^2 = 0 (x - 4) = 0 (x + 4) = 0
\n" ); document.write( "x=0 x=4 x=-4\r
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