Answer:
x = -7/2 and 3
Step-by-step explanation:
Use foil. Solve for x.
Put a line over the repeating number.
Divide by 3 then subtract however many you have to
Perimeter is when you add up all the sides of a shape. For Anthony's shape, it would be 6 time 5, or 30 inches. For Carol's shape, it would be 6 times 5, or 30. Both shapes have the same perimeter. Hopefully this helps, let me know if you have any more questions.