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
