Simplify 7* square root of 81+8* square root of 36

Math
7⋅81+8⋅36
Simplify each term.
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Rewrite 81 as 92.
7⋅92+8⋅36
Pull terms out from under the radical, assuming positive real numbers.
7⋅9+8⋅36
Multiply 7 by 9.
63+8⋅36
Rewrite 36 as 62.
63+8⋅62
Pull terms out from under the radical, assuming positive real numbers.
63+8⋅6
Multiply 8 by 6.
63+48
63+48
Add 63 and 48.
111
Simplify 7* square root of 81+8* square root of 36

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