document.write( "Question 253100: The square of a negative integer minus itself is 110. Find the integer. \n" ); document.write( "
Algebra.Com's Answer #185323 by hokies(65)![]() ![]() You can put this solution on YOUR website! x^2 - x = 110. \n" ); document.write( "x^2 - x - 110 = 0. \n" ); document.write( "To factor this, what two numbers multiply to -110 but add up to -1? The answer is -11 and 10, so: \n" ); document.write( "(x-11)*(x+10)=0 \n" ); document.write( "Solving this equation, we get: x = 11 and x = -10. Choose the negative solution: x=-10. \n" ); document.write( " |