Question 343890
NEED TO KNOW: 
TYPE OF EQUATION NEEDED TO USE THE QUADRATIC FORMULA TO SOLVE THE PROBLEM
{{{ax^(2)+bx+c =0}}}
2x(x+1)=7
DISTRIBUTE AND SIMPIFY 
{{{2X^(2)+2X=7}}}
{{{2X^(2)+2X-7=0}}}
*[invoke quadratic "x", 2, 2, -7]