Rewrite the equation by completing the square.
4x2 - 4x +1=0

(2x-1)²

Step-by-step explanation:

To complete the square, we first need to factor the equation.

4x²-4x+1=0

(2x-1)(2x-1)

Now that we have factored the equation, we can put it into squares.

(2x-1)²

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or