What x what gives me 49 but when you add it it gives me 14

What expression is equivalent to (2x-1)(x-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.

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39