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

5(x – 1) – x2 – 1
(5x – 1) – (x2 – 1)
(x2 – 1) – 5(x – 1)
(x2 – 1) – 5x – 1

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