SOLUTION: perform the indicated operation 3 sqrt 28 - sqrt 63 + 8 sqrt 10 thanks

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Question 379031: perform the indicated operation
3 sqrt 28 - sqrt 63 + 8 sqrt 10
thanks
Found 2 solutions by stanbon, ewatrrr:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
perform the indicated operation
3 sqrt 28 - sqrt 63 + 8 sqrt 10
-------------
3*2*sqrt(7) - 3*sqrt(7) + 8*sqrt(10)
-----------------------
= 3sqrt(7)+8sqrt(10)
==========================
Cheers,
stan H.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

simplify

3+sqrt%2828%29+-+sqrt+%2863%29%2B+8+sqrt%28+10%29

3+sqrt%284%2A7%29+-+sqrt+%289%2A7%29%2B+8+sqrt%28+10%29

2%2A3+sqrt%287%29+-+3%2Asqrt+%287%29%2B+8+sqrt%28+10%29

3+sqrt%287%29%2B+8+sqrt%28+10%29