document.write( "Question 420221: what is the value of x which makes 3(x+6)^2-10(x+6)=8? \n" ); document.write( "
Algebra.Com's Answer #293705 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 3(x+6)^2-10(x+6)=8 \n" ); document.write( "3(x^2+12x+36)-10x-60=8 \n" ); document.write( "3x^2+36x+108-10x-60-8=0 \n" ); document.write( "3x^2+26x+40=0 \n" ); document.write( "3*40=120; two factors of 120 whos sum is 26 are 6 and 20. \n" ); document.write( "3x^2+6x+20x+40=0 \n" ); document.write( "3x(x+2)+20(x+2)=0 \n" ); document.write( "(3x+20)(x+2)=0 \n" ); document.write( "x=-2, x=-20/3 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |