document.write( "Question 447334: Solve (x+2)(2x-7)=-15 \n" ); document.write( "
Algebra.Com's Answer #307960 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! Solve (x+2)(2x-7)= -15\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(x + 2)(2x - 7) = -15 \n" ); document.write( "2x² - 3x - 14 = -15 {used foil method} \n" ); document.write( "2x² - 3x + 1 = 0 {added 15 to both sides} \n" ); document.write( "(2x - 1)(x - 1) = 0 {factored into two binomials} \n" ); document.write( "2x - 1 = 0 or x - 1 = 0 {set each factor equal to 0} \n" ); document.write( "2x = 1 or x = 1 {added 1 to both sides in both equations} \n" ); document.write( "x = 1/2 or x = 1 {divided left equation by 2} \n" ); document.write( "www.algebrahouse.com \n" ); document.write( " |