document.write( "Question 315622: Solve
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Algebra.Com's Answer #225949 by scott8148(6628)\"\" \"About 
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multiplying by a ___ 2a^2 - a = a^2 + 7 + a\r
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\n" ); document.write( "\n" ); document.write( "a^2 - 2a - 7 = 0\r
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\n" ); document.write( "\n" ); document.write( "use quadratic formula to find a
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