document.write( "Question 24455: If x^2+2x=3, then x could equal? \n" ); document.write( "
Algebra.Com's Answer #13018 by AnlytcPhil(1806)\"\" \"About 
You can put this solution on YOUR website!
If x^2+2x=3, then x could equal?\r\n" );
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document.write( "x2 + 2x = 3\r\n" );
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document.write( "Get 0 on the right by subtracting 3 from both sides\r\n" );
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document.write( "x2 + 2x - 3 = 0\r\n" );
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document.write( "Factor the left side\r\n" );
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document.write( "(x+3)(x-1) = 0\r\n" );
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document.write( "One of those factors (x+3) and (x-1) must be = 0 in order for the\r\n" );
document.write( "right side to be 0. \r\n" );
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document.write( "Setting x+3 = 0 gives x = -3\r\n" );
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document.write( "Setting x-1 = 0 gives x = 1\r\n" );
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document.write( "So x can be either -3 or 1\r\n" );
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document.write( "Edwin\r\n" );
document.write( "AnlytcPhil@aol.com
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