Answer:

Step-by-step explanation:
27 is a perfect cube for
and 729 is a perfect cube for 
now you can pull out the numbers from under the root, for t (divide the exponent by 3)

now simply to 
Give me brainliest becuase 2+2=4 isn’t that enough help?
Answer:
2-10xy+4y
Step-by-step explanation:
you have to factor it.