maddy3lizabeth maddy3lizabeth

19-01-2019
Mathematics

contestada

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

Please help me with this I will mark brainliest class=

Respuesta :

MrBillDoesMath MrBillDoesMath

19-01-2019

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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