document.write( "Question 1048380: if X^4+aX^3-3X^2+2aX+a^2 is aperfect square and has a factor (X+2). find (a), when (a) has this vālue to obtain the square root of the expression in its factorized form \n" ); document.write( "

Algebra.Com's Answer #663950 by Edwin McCravy(20054) $\"\"$ $\"About$

You can put this solution on YOUR website!

This must be an identity\r\n" );
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document.write( "If x=0\r\n" );
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document.write( "If x=1\r\n" );
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document.write( "Substituting \r\n" );
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document.write( "Discriminant = \r\n" );
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document.write( "So it has imaginary solutions.  We ignore \r\n" );
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document.write( "Discriminant = \r\n" );
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document.write( "That has real solutions\r\n" );
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document.write( "So\r\n" );
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document.write( "Edwin

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