# Simplify square root of 36- square root of 49

36-49
Simplify each term.
Rewrite 36 as 62.
62-49
Pull terms out from under the radical, assuming positive real numbers.
6-49
Rewrite 49 as 72.
6-72
Pull terms out from under the radical, assuming positive real numbers.
6-1⋅7
Multiply -1 by 7.
6-7
6-7
Subtract 7 from 6.
-1
Simplify square root of 36- square root of 49

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