42+712-32
Rewrite 12 as 22⋅3.
Factor 4 out of 12.
42+74(3)-32
Rewrite 4 as 22.
42+722⋅3-32
42+722⋅3-32
Pull terms out from under the radical.
42+7(23)-32
Multiply 2 by 7.
42+143-32
42+143-32
Subtract 32 from 42.
2+143
The result can be shown in multiple forms.
Exact Form:
2+143
Decimal Form:
25.66292486…
Evaluate 4 square root of 2+7 square root of 12-3 square root of 2