SOLUTION: how do i solve (sqrt7 plus 5sqrt2)squared?

Question 275447: how do i solve (sqrt7 plus 5sqrt2)squared?
Answer by bobdabuildr(27) (Show Source): You can put this solution on YOUR website!
Write the problem out to look more like this
Now what is ? why
and squared is 25 and the is which is equal to 2.
Now you have and equation which look like 7+25*2. multiple and add to get an answer of 57
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