PLEASE ANSWER + BRAINLIEST!!

What is the difference of the polynomials?

(12x^2 - 11y^2 - 13x) - (5x^2 - 14y^2 - 9x)

A. 7x^2 + 3y^2 - 4x

B. 7x^2 - 3y^2 - 4x

C. 7x^2 - 25y^2 - 22x

D. 17x^2 - 25y^2 - 22x