document.write( "Question 147296: x^2-2x-15=0 \n" ); document.write( "
Algebra.Com's Answer #107665 by nerdybill(7384)\"\" \"About 
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x^2-2x-15=0
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\n" ); document.write( "Attempt to \"factor\" first
\n" ); document.write( "Failing that, then use the \"quadratic equation\".
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\n" ); document.write( "When factoring:
\n" ); document.write( "ask yourself what two factors of 15 will combine to give you -2.
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\n" ); document.write( "Factors of 15:
\n" ); document.write( "1 15
\n" ); document.write( "3 5
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\n" ); document.write( "Therefore, it would be:
\n" ); document.write( "(x+3)(x-5) = 0
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\n" ); document.write( "To find the solution, set each of the above factors to zero and solve:
\n" ); document.write( "x+3 = 0
\n" ); document.write( "x = -3
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\n" ); document.write( "x-5=0
\n" ); document.write( "x = 5
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\n" ); document.write( "Solution: {0,5}
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