The combination of radical 5√27 - 17√3 is -2 √3, so option D is correct.
<h3>What are radicals?</h3>
The opposite of an exponent, denoted by the symbol "√" and also known as the root, is a radical. The number before the symbol or radical is regarded as an index number or degree.
Given:
5√27 - 17√3
Simplify the value under roots,
5√(3 × 3 × 3) - 17√3
5 × 3 √3 - 17√3
√3 (15 - 17)
-2 √3
Therefore, the combination of radical 5√27 - 17√3 is -2 √3.
To know more about Radicals:
brainly.com/question/8020018
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