document.write( "Question 6444: please help with this problem.\r
\n" ); document.write( "\n" ); document.write( "Solve the equation.\r
\n" ); document.write( "\n" ); document.write( "x^2 - x = 90
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Algebra.Com's Answer #3455 by hamda(7)\"\" \"About 
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x^2 - x = 90
\n" ); document.write( "x^2 - x - 90 = 0
\n" ); document.write( "x^2 - 10x + 9x - 90 = 0
\n" ); document.write( "x(x - 10) + 9(x - 10) = 0
\n" ); document.write( "(x - 10)(x + 9) = 0
\n" ); document.write( "x = 10 , x = -9 (Answer)
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