Factor -2 square root of 2- square root of 18

Math
-22-18
Rewrite 18 as 32⋅2.
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Factor 9 out of 18.
-22-9(2)
Rewrite 9 as 32.
-22-32⋅2
-22-32⋅2
Pull terms out from under the radical.
-22-(32)
Multiply 3 by -1.
-22-32
Subtract 32 from -22.
-52
The result can be shown in multiple forms.
Exact Form:
-52
Decimal Form:
-7.07106781…
Factor -2 square root of 2- square root of 18

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