Find a number when multiplied by radical 2 increases by 2

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Someone me what is the area of this figure? 18m 18m 8m 16m

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your