Answer:
B) 11√3 - 7√6
Explanation:
√48 can be simplified to 4√3, and √54 can be simplified to 3√6.
The equation is now 7√3 - 4√6 + 4√3 - 3√6.
This can be grouped into (7√3 + 4√3) + (-4√6 -3√6).
We get 11√3 - 7√6.
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