document.write( "Question 1121866: Find the Value of K\r
\n" ); document.write( "\n" ); document.write( " K.......3+K.........-10
\n" ); document.write( "1-K......2-K......... 5 = 48
\n" ); document.write( " 2 ......4+K......... -K \n" ); document.write( "
Algebra.Com's Answer #737975 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Use formula for the left side of the equation:\r\n" );
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document.write( "That simplifies to:\r\n" );
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document.write( "\"K%5E2+%2B+3+K+%2B+30\" = left side of equation:\r\n" );
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document.write( "So the equation is:\r\n" );
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document.write( "\"matrix%281%2C3%2CK%5E2+%2B+3+K+%2B+30%2C%22%22=%22%22%2C48%29\"\r\n" );
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document.write( "Get 0 on the right by subtracting 48 from both sides\r\n" );
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document.write( "\"matrix%281%2C3%2CK%5E2+%2B+3+K+-+18%2C%22%22=%22%22%2C0%29\"\r\n" );
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document.write( "Factor left side:\r\n" );
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document.write( "\"matrix%281%2C3%2C%28K+%2B+6%29%28K+-+3%29%2C%22%22=%22%22%2C0%29\" \r\n" );
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document.write( "Use zero-factor principle:\r\n" );
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document.write( "K+6 = 0;  K-3 = 0\r\n" );
document.write( "  K = -6;   K = 3   <---two solutions!\r\n" );
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document.write( "Edwin
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