To solve the first question:
1. Get rid of the first square root by adding brackets around the whole equation and putting a 1/2 outside.
2. Then get rid of the next square root by adding another bracket around the whole equation and putting another 1/2 outside of that bracket.
3. Since 15 and 27 are both factors of 3 you can divide each number by 3
4. Next you deal with the two powers multiplying them together. Now there should only be one set of brackets around the reduced equation
5. Then you multiply the numbers inside the brackets by the 1/4
6. The answer will then be in radical form. The 4 will be the square root of each number. And you just multiply the power of the x by 1/4
7. Then using a calculator find out the answer of the radicals.
To solve the second question:
1. First flip the x and the y so that the x (along with its power) is in the y's place and vise versa
2. Then first multiply each number and variable by the outside power
3. The numbers will be in the radical form and each of them will have five as a power
4. Use the calculator to solve the rest of the equation
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