# Evaluate square root of 144- square root of 121

144-121
Simplify each term.
Rewrite 144 as 122.
122-121
Pull terms out from under the radical, assuming positive real numbers.
12-121
Rewrite 121 as 112.
12-112
Pull terms out from under the radical, assuming positive real numbers.
12-1⋅11
Multiply -1 by 11.
12-11
12-11
Subtract 11 from 12.
1
Evaluate square root of 144- square root of 121

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