document.write( "Question 552957: \"what is the value of x?\"\r
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Algebra.Com's Answer #360594 by AnlytcPhil(1806)\"\" \"About 
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document.write( "2x² + 12x + 15 = 0\r\n" );
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document.write( "Compare to\r\n" );
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document.write( "ax² + bx + c = 0\r\n" );
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document.write( "a=2, b=12, c=15\r\n" );
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document.write( "Substitute in\r\n" );
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document.write( "x = \"%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" \r\n" );
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document.write( "x = \"%28-%2812%29+%2B-+sqrt%28+%2812%29%5E2-4%2A%282%29%2A%2815%29+%29%29%2F%282%2A%282%29%29+\"\r\n" );
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document.write( "x = \"%28-12+%2B-+sqrt%28144-120+%29%29%2F4+\"\r\n" );
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document.write( "x = \"%28-12+%2B-+sqrt%2824%29%29%2F4+\"\r\n" );
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document.write( "x = \"%28-12+%2B-+sqrt%284%2A6%29%29%2F4+\"\r\n" );
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document.write( "x = \"%28-12+%2B-+2%2Asqrt%286%29%29%2F4+\"\r\n" );
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document.write( "x = \"%282%28-6+%2B-+sqrt%286%29%29%29%2F4+\"\r\n" );
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document.write( "x = \"%28-6+%2B-+sqrt%286%29%29%2F2+\"\r\n" );
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document.write( "Two solutions: \"%28-6+%2B+sqrt%286%29%29%2F2+\" and \"%28-6+-+sqrt%286%29%29%2F2+\"\r\n" );
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document.write( "Edwin
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