document.write( "Question 275033: The square of a number is 20 more than 8 times the number. Find the number. \n" ); document.write( "
Algebra.Com's Answer #200675 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "Let's have x represent the number. Therefore the equation will be: \n" ); document.write( "x^2=8x+20 Subtract 8x and 20 from both sides to get: \n" ); document.write( "x^2-8x-20=0 This can be factored into: \n" ); document.write( "(x-10)(x+2)=0 Solve for x: \n" ); document.write( "x=10 \n" ); document.write( "x=-2 \n" ); document.write( "Check it out to see if the answers work. \n" ); document.write( "Also check out a new book I wrote: \n" ); document.write( "www.math-unlock.com \n" ); document.write( " \n" ); document.write( " |