-320-5
Rewrite 20 as 22⋅5.
Factor 4 out of 20.
-34(5)-5
Rewrite 4 as 22.
-322⋅5-5
-322⋅5-5
Pull terms out from under the radical.
-3(25)-5
Multiply 2 by -3.
-65-5
-65-5
Subtract 5 from -65.
-75
The result can be shown in multiple forms.
Exact Form:
-75
Decimal Form:
-15.65247584…
Simplify -3 square root of 20- square root of 5
