Combine these radicals!

asked Feb 12, 2021 45.3k views

5 votes

by Jeanr

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4 votes

Answer:

-4√5

Explanation:

-√ 5 can be written as -1√ 5.

from there it is simple subtraction of the radicles

-1-3=-4 therefore, -1√ 5 - 3√ 5=- 4√ 5

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