Solve the quadratic equation by completing the square. x^2-12x+22=0
show what the form is and the solution.

form:
solution:

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm