Question 693837
{{{AreaOfRectangle = Length * Width}}}
{{{49 = (x+6) * (2x+5)}}}
{{{49 = 2x^2 + 17x + 30}}}
{{{0 = 2x^2 + 17x - 19}}}
*[invoke quadratic "x", 2, 17, -19 ]
So x = 1.
Which makes the Length 7 and the width 7. It's a square