document.write( "Question 730853: Thomas is thinking of a number. He knows that the product of 5 less than twice his number and 3 more than his number is 13. What is his number? \n" ); document.write( "
Algebra.Com's Answer #806413 by CubeyThePenguin(3113)\"\" \"About 
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(2x - 5)(x + 3) = 13
\n" ); document.write( "2x^2 - 5x + 6x - 15 = 13
\n" ); document.write( "2x^2 + x - 28 = 0
\n" ); document.write( "(2x - 7)(x + 4) = 0\r
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\n" ); document.write( "\n" ); document.write( "x = 7/2 or x = -4
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