2 years ago

Please help me with this!!! I will mark brainliest!!

Mathematics

1 answer:

wolverine [178]2 years ago

8 0

Hello from MrBillDoesMath!

Answer:

-9 sqrt(5)

Discussion:

-2 sqrt(20) - sqrt(125) =

-2 *2 sqrt(5) - sqrt(125)= as 20 = 4* 5

-4sqrt(5)- 5 sqrt(5) = as 125 = 25 *5

(-4 -5) sqrt(5) =

-9 sqrt(5)

Thank you,

MrB

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