The factors for the quadratic equation $4x^2+4bx-(a^2-b^2)=0$ are ________

Question

$(A) \;(2x+(a-b)),(2x-(a+b))\\(B)\;(2x-(a-b)),(2x-(a+b))\\(C)\;(2x-(a-b)),(2x+(a+b))\\(D)\;(2x+(a-b)),(2x+(a+b)) $