document.write( "Question 123885: directions: find the roots of the quadratic equation y=x^2+7x-18 by factoring. choose the correct answer. A)7,9 B)9,2 C)-7,-9 D)-9,2. which one is the answer? \n" ); document.write( "
Algebra.Com's Answer #90884 by chitra(359)\"\" \"About 
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The given quadratic equation can be written as: \r
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\n" ); document.write( "\n" ); document.write( "y = \"x%5E2+%2B+7x+-+18+\" \r
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\n" ); document.write( "\n" ); document.write( "Y = \"x%5E2+%2B+9x+-+2x+-+18\" \r
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\n" ); document.write( "\n" ); document.write( "y = x(x + 9) - 2(x + 9)\r
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\n" ); document.write( "\n" ); document.write( "y = (x - 2)(x + 9)\r
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\n" ); document.write( "\n" ); document.write( "Thus the soln set is (-9,2) \r
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