What is the intermediate step in the form (x+a)2 = b as a result of completing the square for the following 5x^2-360=-60x

How do i get the answer for 2/3 * 10/3

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55