A right triangle has leg lengths of (2x) units and (3x-1) units. Its hypotenuse measures ( 3 x 1 ) units. Show your use of zero product property as you solve. Note any rejected values. Find the lengths of the legs and the hypotenuse. Circle them in your work.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?