document.write( "Question 1083315: The sum of number and twice its square is 35. Find the number. \n" ); document.write( "
Algebra.Com's Answer #697319 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "let's a number be \"x\"
\n" ); document.write( "twice its square is \"2x%5E2\"\r
\n" ); document.write( "\n" ); document.write( "i the sum of number and twice its square is \"35\", we have\r
\n" ); document.write( "\n" ); document.write( "\"2x%5E2%2Bx=35\"\r
\n" ); document.write( "\n" ); document.write( " \"2x%5E2%2Bx-35=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+=+%28-1+%2B-+sqrt%28+1%5E2-4%2A2%2A%28-35%29+%29%29%2F%282%2A2%29+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B-+sqrt%28+1%2B280+%29%29%2F4+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B-+sqrt%28+281+%29%29%2F4+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B-+16.76%29%2F4+\" \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+%2B+16.76%29%2F4+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=++15.76%2F4+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=++3.94\" \r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-1+-+16.76%29%2F4+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+-17.76%2F4+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=++-4.44\" \r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C+10%2C+-40%2C+10%2C+2x%5E2%2Bx-35%29+\" \r
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