document.write( "Question 1085735: find the real solutions of 7x^3+3x^2-29x+11 \n" ); document.write( "
Algebra.Com's Answer #699820 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"+7x%5E3%2B3x%5E2-29x%2B11=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"+7x%5E3%2B14x%5E2-11x%5E2-7x-22x%2B11=0\"...factor\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+%2B+2x+-+1%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if \"+%287x+-+11%29+=+0\"->\"7x=11\"->\"x=11%2F7\"\r
\n" ); document.write( "\n" ); document.write( "if
\n" ); document.write( "\"+x%5E2+%2B+2x+-+1+=+0\"....use quadratic formula\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+2%2A4+%29%29%2F2+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-2+%2B-+2sqrt%28+2+%29%29%2F2+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-cross%282%291+%2B-+cross%282%29sqrt%28+2+%29%29%2Fcross%282%291+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B-+sqrt%28+2+%29%29+\" \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-1+%2B+sqrt%28+2+%29+\" approximately \"x+=+0.41+\" \r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-1+-+sqrt%28+2+%29+\" approximately \"x+=-2.41+\"\r
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\n" ); document.write( "\n" ); document.write( "so, your solutions are: \r
\n" ); document.write( "\n" ); document.write( "\"x=11%2F7\"->approximately \"x+=+1.57+\"
\n" ); document.write( "\"x+=+-1+%2B+sqrt%28+2+%29+\"-> approximately \"x+=+0.41+\"
\n" ); document.write( "\"x+=+-1+-+sqrt%28+2+%29+\" -> approximately \"x+=-2.41+\"\r
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