Match each quadratic function given in factored form with its equivalent standard form listed on the left.

f(x) = (x + 2)(x – 6)

f(x) = (x – 4)(x + 3)

f(x) = (x – 12)(x + 1)

f(x) = (x – 3)(x + 4)

A. f(x) = x2 – 11x – 12

B. f(x) = x2 – 4x –12

C. f(x) = x2 + x – 12

D. f(x) = x2 – x – 12