document.write( "Question 135398: Find one of the solution of x= square root 3x-12 + 4 \n" ); document.write( "
Algebra.Com's Answer #99203 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Find one of the solution of x= square root 3x-12 + 4 \n" ); document.write( ": \n" ); document.write( "x = \n" ); document.write( ": \n" ); document.write( "Subtract 4 from both sides: \n" ); document.write( "x - 4 = \n" ); document.write( ": \n" ); document.write( "Square both sides: \n" ); document.write( "(x-4)^2 = 3x - 12 \n" ); document.write( ": \n" ); document.write( "FOIL the left side: \n" ); document.write( "x^2 -8x + 16 = 3x - 12 \n" ); document.write( ": \n" ); document.write( "Combine as a quadratic equation on the left \n" ); document.write( "x^2 - 8x - 3x + 16 + 12 = 0 \n" ); document.write( ": \n" ); document.write( "x^2 - 11x + 28 = 0 \n" ); document.write( "Factor: \n" ); document.write( "(x-4)(x-7) = 0 \n" ); document.write( "Solutions \n" ); document.write( "x = 4 \n" ); document.write( "x = 7 \n" ); document.write( ": \n" ); document.write( "You can choose which solution you want. \n" ); document.write( " |