Juan's work for solving by completing the square is below. In which step (if any) does Juan make a mistake? (SEE PICTURE FOR STEPS)

Step 4

Step 1

Juan does not make a mistake.

Step 3

In the film, zeke the zombie slayer versus the zombies from space, zeke slayed 140 zombies. in the sequel, zeke the zombie slayer versus the zombies from space, part 2, he slayed 5% more zombies. how many zombies were slain by zeke in the sequel?

X+y=-4 x-y=2 use elimination with adding and subtraction

Maren is buying carpet for her rectangular living room. the room is 4.8 yards wide and 5.2 yards long. how much carpet does she need to buy? enter your answer as a decimal in the box. yd2