document.write( "Question 425438: three times the square of a positive number when added to the 7 times of the number result is 26 \n" ); document.write( "
Algebra.Com's Answer #296245 by sudhanshu_kmr(1152)\"\" \"About 
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\n" ); document.write( "3x^2 + 7x = 26\r
\n" ); document.write( "\n" ); document.write( "=> 3x^2 +7x -26 =0\r
\n" ); document.write( "\n" ); document.write( "=> 3x^2 -6x + 13x -26 =0\r
\n" ); document.write( "\n" ); document.write( "=> 3x(x -2) +13(x -2) = 0\r
\n" ); document.write( "\n" ); document.write( "=> (3x+13)(x-2)=0\r
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\n" ); document.write( "\n" ); document.write( "=> x = 2, -13/3\r
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\n" ); document.write( "\n" ); document.write( "so number is 2.\r
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