document.write( "Question 432871: I am trying to help my daughter witht his quadractic equation. She has to find the root of the quadratic equation in standard form. y=x^2+7x+12 It has been a long time since I've done this and I need direction to be able to help her with the rest of the problems. Any help would be appreciated! \n" ); document.write( "
Algebra.Com's Answer #300048 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x^2+7x+12 \n" ); document.write( "Split the middle term into two such that when the parts are added the give 7x and when multiplied give the product of the first & last term. \n" ); document.write( "x^2+4x+3x+12 \n" ); document.write( "x(x+4)+3(x+4) \n" ); document.write( "(x+4)(x+3) \n" ); document.write( "x=-4 ,x=-3 \n" ); document.write( " |