document.write( "Question 197333: Find b^2 - 4ac and the number of real solutions to
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\n" ); document.write( "\n" ); document.write( " 5x^2-7=0
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Algebra.Com's Answer #147990 by Mathtut(3670)\"\" \"About 
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\"ax%5E2%2Bbx%2Bc=0\"
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\n" ); document.write( "Discriminant=\"0%5E2-4%285%29%28-7%29=140\"
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\n" ); document.write( "therefore since D>0 there are 2 real solutions
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