Question

ma puteti ajuta va rog mult la acest subpunct va rog mult urgent ​

Answer 1

c) 2√45(√1620-√125)+4√27(√1728-√3888)=

2×3√5(18√5-5√5)+4×3√3(24√3-36√3)=

6√5×13√5-12√3×12√3=

6×13×5-12×12×3=

30×13-144×3=

390-432=

-42