SOLUTION: Simplify. 7 square root of 245. I don't know where to begin with this problem. Any assistance is appreciated. Thank you.

Question 87375: Simplify.
7 square root of 245.
I don't know where to begin with this problem. Any assistance is appreciated. Thank you.
Found 2 solutions by checkley75, stanbon:
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
7sqrt245. Normally there would be a factor or factors of the sqrt number that were perfect squares. HSwever this number 145 doesn't have any. So we find the square route of 245 & multiply it by 7 thus:
7*15.652475=109.56732 answer.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Simplify.
7 square root of 245.
= 7 sqrt[49*5]
= 7*78sqrt5
= 49 sqrt(5)
==============
Cheers,
Stan H.
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