Wich of the following is the proper way in finding the ratio of two numbers

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²