document.write( "Question 88116: \n" ); document.write( "
Algebra.Com's Answer #63985 by malakumar_kos@yahoo.com(315)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " When you have a problem like below how do you solve it? Do you have to solve twice so that you use x both times?\r \n" ); document.write( "\n" ); document.write( "Find the values of the following expression if x = - 3 and -2 \n" ); document.write( "-x^2-5x-6 \n" ); document.write( " We have to solve it twice taking the values of x as -3 &-2 \n" ); document.write( "1) First taking the value of x = -3 we get -x^2-5x-6 = -(-3)^2-5(-3)-6 \n" ); document.write( " = -(+9)+15-6 \n" ); document.write( " =-9-6+15 \n" ); document.write( " = -15+15 \n" ); document.write( " = 0 \n" ); document.write( " 2)taking the value of x=-2 we get -x^2-5x-6 = -(-2)^2-5(-2)-6 \n" ); document.write( " =-(4)+10-6 \n" ); document.write( " = -4-6+10 \n" ); document.write( " = 0 \n" ); document.write( " |