Respuesta :

Answer: -10 √ 10

Explanation:

-3 √ 40 may be simplified into -6 √10. 40 may be divided into 4 and 10, and 4 is a perfect square.

-3 √40
-3 ( √4 x √10)
-3 ( 2 x √10)
-6 √10

Then √160 can be simplified into 4 √10

√160
√16 x √10
4 √10

Finally, we put the two together

-6 √10 - 4 √10
-10 √10
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Answer:

Step-by-step explanation:

-3√(4)(10)  - √(16)(10)

-3(2)√(10) - 4√(10)

-6√(10) - 4√(10)

-10√(10)

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