6-column table with 5 rows. The 1st column is labeled + x squared with entries +x, +x, +x, +x, +x. The 2nd column is labeled +x with entries +, +, +, +, +. The 3rd column is labeled +x with entries +, +, +, +, +. The 4th column is labeled +x with entries +, +, +, +, +. The 5th column is labeled +x with entries +, +, +, +, +. The 6th column is labeled +x with entries +, +, +, +, +.
The algebra tiles represent the perfect square trinomial x2 + 10x + c.

What is the value of c?

c =