Simplify each expression and state any non-permissible values. (4 marks - show your work)

(4x-1)/(x^2+7x+12)divided by (2x-1)/(x^2+x-12)

(4x-1)/(x+3)(x+4)* (x+4)(x-3)/(2x-1)

=(4x-1)(x-3)/((x+3)(2x-1))