document.write( "Question 765779: Solve the equation in the real number system. 7x^3+3x^2-29x+11=0
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Algebra.Com's Answer #466416 by MathLover1(20850)\"\" \"About 
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\"7x%5E3%2B3x%5E2-29x%2B11=0+\"...factor, write \"3x%5E2\" as \"14x%5E2-11x%5E2\" and \"-29x\" as \"-7x-22x\"\r
\n" ); document.write( "\n" ); document.write( "\"7x%5E3%2B14x%5E2-7x-11x%5E2-22x%2B11=0+\"......group\r
\n" ); document.write( "\n" ); document.write( "\"%287x%5E3-11x%5E2%29%2B%2814x%5E2-22x%29-%287x-11%29=0+\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2%287x-11%29%2B2x%287x-11%29-%287x-11%29=0+\"\r
\n" ); document.write( "\n" ); document.write( "\"%287x-11%29%28x%5E2%2B2x-1%29+=+0\"\r
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\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if \"7x-11=+0\" => \"7x=11\"=> \"x=11%2F7\"\r
\n" ); document.write( "\n" ); document.write( "to find other two roots, use quadratic formula and solve \"x%5E2%2B2x-1+=+0\" for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-2+%2B-+sqrt%28+2%5E2-4%2A1%2A%28-1%29+%29%29%2F%282%2A1%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-2+%2B-+sqrt%28+4%2B4%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-2+%2B-+sqrt%28+8%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-2+%2B-+2.83%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-2+%2B2.83%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+0.83%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+0.415+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-2+-2.83%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=-4.83%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-2.415+\"\r
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\n" ); document.write( "\n" ); document.write( "so, your solutions are: \"x=11%2F7\",\"x+=+0.415+\", and \"x+=+-2.415+\"\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-5%2C+5%2C+-10%2C+35%2C7x%5E3%2B3x%5E2-29x%2B11%29+\"\r
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