SOLUTION: Multiply: (5sqrt[3]+sqrt[5])(sqrt[3]-2sqrt[5]) thanks;)

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Question 178416: Multiply:
(5sqrt[3]+sqrt[5])(sqrt[3]-2sqrt[5])
thanks;)

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given expression.


Now let's FOIL the expression.


Remember, when you FOIL an expression, you follow this procedure:


Multiply the First terms:.


Multiply the Outer terms:.


Multiply the Inner terms:.


Multiply the Last terms:.


---------------------------------------------------


Now collect every term to make a single expression.


Now combine like terms.


So FOILs to .


In other words, .

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