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What is the exact value for the expression the square root of 189. − the square root of 21. + the square root of 84.? Simplify if possible.

What is the exact value for the expression the square root of 189. − the square root of 21. + the square root of 84.? Simplify if possible.
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4 votes
What is the exact value for the expression the square root of 189. − the square root of 21. + the square root of 84.? Simplify if possible.

asked
User Monserrate
by
8.4k points

1 Answer

5 votes
I say it's 0.
And that's an understatement.
answered
User Anshul Parashar
by
8.5k points
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