Four times the difference of f squared and g, increased by the sum of f squared and 2g

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?