Answer:

Step-by-step explanation:

4/3√9×12+5/7√49×3-2/5√25×18

4/3(3√12)+5/7(7√3)-2/5(5√18)

4×√3×4+5√3-2√3×3×2

8√3+5√3-6√2

(8+5)√3-6√2

13×1.732-6×1.414

14.03≅14