document.write( "Question 197851: Can you please help me to solve this equation (x+10)(2x-3)=54? I dont know how to solve it using quadratic equations. Thank you very much!!! \n" ); document.write( "
Algebra.Com's Answer #148353 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! (x+10)(2x-3)=54 \n" ); document.write( "2x^2+20x-3x-30=54 \n" ); document.write( "2x^2+17x-30-54=0 \n" ); document.write( "2x^2+17x-84=0 \n" ); document.write( "(2x-7)(x+12)=0 \n" ); document.write( "2x-7=0 \n" ); document.write( "2x=7 \n" ); document.write( "x=7/2 \n" ); document.write( "x=3.5 ans. \n" ); document.write( "x+12=0 \n" ); document.write( "x=-12 ans.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |