Simplify the Radical Expression 6 square root of 10+5 square root of 10-15 square root of 10

$6 \sqrt{10} + 5 \sqrt{10} - 15 \sqrt{10}$

Add $6 \sqrt{10}$ and $5 \sqrt{10}$ .

$11 \sqrt{10} - 15 \sqrt{10}$

Subtract $15 \sqrt{10}$ from $11 \sqrt{10}$ .

$- 4 \sqrt{10}$

The result can be shown in multiple forms.

Exact Form:

$- 4 \sqrt{10}$

Decimal Form:

$- 12.64911064 \dots$