If p(x) = x2 - 1 and q(x) = 5(x- 1), which expression is equivalent to (p - q)(x)?
O 5(x - 1) -x2 -1
O (5x - 1) - (x2-1)
(xé - 1) - 5(x -1)
O (x2 - 1) - 5x - 1