EASY geometry, URGENT!, i'll give brainliest

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

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet