document.write( "Question 387920: Given F(x)= 2x squared-8x+9, find all values of x for which f(x)=9 \r
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Algebra.Com's Answer #274244 by scott8148(6628)\"\" \"About 
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9 = 2x^2 - 8x + 9\r
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\n" ); document.write( "\n" ); document.write( "0 = x^2 - 4x\r
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\n" ); document.write( "\n" ); document.write( "0 = x(x - 4)\r
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\n" ); document.write( "\n" ); document.write( "x = 0\r
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\n" ); document.write( "\n" ); document.write( "x - 4 = 0 ___ x = 4
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