help, Simplify √20 - √225 + √80.

Question

ItzLily · Answer

Well, what step should you do first?

ItzLily · Answer

first thing to do, decompose the number inside the radical sign into prime factors.

DreamNotFound1 · Answer

ok

ItzLily · Answer

Did u understand what I just said?

DreamNotFound1 · Answer

partially, im not too good at math...

craftyrtyingle · Answer

i think it would be easier to start by removing the radical signs
like simplify them out, idk

DreamNotFound1 · Answer

thank you

ItzLily · Answer

Take one number out of the radical for every two same numbers multiplied inside the radical sign.

ItzLily · Answer

Then you simplify.

DreamNotFound1 · Answer

ok

craftyrtyingle · Answer

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DreamNotFound1 · Answer

ohhhhh i get it now

xXAikoXx · Answer

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Also, the people that are getting help from another user should do their part first. Try answering the question on your own before submitting your question to post. Have a nice day! :D