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document.write( "There are two solutions. The other tutor did not get both solutions.\r\n" );
document.write( "I'll go into a little more detail.\r\n" );
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document.write( "Raise both sides of the equation to the reciprocal of
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document.write( "power, which is the
power:\r\n" );
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document.write( "Remove the parentheses on the left by multiplying the exponents \r\n" );
document.write( "which just gives the exponent 1.\r\n" );
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document.write( "On the right we use the rule:
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document.write( "But since the root we are taking is even, the fourth root,\r\n" );
document.write( "there are two fourth roots, positive and negative, so we must\r\n" );
document.write( "precede it by ±:\r\n" );
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document.write( "So there are two solutions, \r\n" );
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and
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document.write( "Edwin
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