If P(x)=x^2-1 and q(x)=5(x-1), which expression is equivalent to (p-q)(x)
5(x-1)-x^2-1
(5x-1)-(x^2-1)
(x^2-1)-5(x-1)
(X^2-1)-5x-1
5(x-1)-x^2-1
(5x-1)-(x^2-1)
(x^2-1)-5(x-1)
(X^2-1)-5x-1