Perform the indicated operation. Simplify the answer when possible.
square root 2 + 2 square root 98 - 4 square root 8

Question

mathmale · Answer

You may find that "square root of 2" is a factor common to all three of your terms.
Please note that 98 = 2*49, and that 49 is a perfect square.  Similarly, 8=2*4, and 4 is a perfect square.   See whether you can use these hints to factor the given expression.

Note:  I'm getting off the 'Net now for a while.

anonymous · Answer

I don't understand

jim_thompson5910 · Answer

do you agree that 98 = 2*49 ?

anonymous · Answer

|dw:1454463296202:dw|I did that but I got this