document.write( "Question 903504: The product of some negative number and 2 less than twice that number is 220. Find the number. \n" ); document.write( "
Algebra.Com's Answer #548096 by math_pro(4)![]() ![]() ![]() You can put this solution on YOUR website! The first term is \"some negative number\": x \n" ); document.write( "The second term is \"2 less than twice that number\": 2x-2 \n" ); document.write( "The product is 220: x*(2x-2) = 220 \n" ); document.write( "Divide it all by 2: \n" ); document.write( "x^2 - x = 110 \n" ); document.write( "x^2 - x - 110 = 0 \n" ); document.write( "The solutions are -10 and 11 (you could use the quadratic equation or just guess and check). \n" ); document.write( " |