document.write( "Question 531695: How do I solve for x in these equations?\r
\n" ); document.write( "\n" ); document.write( "-7=x^2-8x\r
\n" ); document.write( "\n" ); document.write( "10=2x^2+5x+13
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Algebra.Com's Answer #350555 by oberobic(2304)\"\" \"About 
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-7=x^2-8x
\n" ); document.write( "x^2-8x=-7
\n" ); document.write( "x^2-8x +7 = 0
\n" ); document.write( "(x-1)(x-7) = 0
\n" ); document.write( "x = 1 or 7
\n" ); document.write( "\"+graph%28500%2C500%2C-10%2C10%2C-10%2C10%2Cx%5E2-8%2Ax%2B7%29+\"
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\n" ); document.write( "10 = 2x^2+5x+13
\n" ); document.write( "2x^2+5x+13=10
\n" ); document.write( "2x^2 +5x +3 = 0
\n" ); document.write( "(2x+3)(x+1) = 0
\n" ); document.write( "x = -1 or -3/2\r
\n" ); document.write( "\n" ); document.write( "\"+graph%28500%2C500%2C-3%2C3%2C-3%2C3%2C2%2Ax%5E2%2B5%2Ax%2B3%29+\"
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