SOLUTION: Simplify the expression. Assume that the variable represents a positive number, so that no absolute symbols are needed.
sqrt18a^3 - a sqrt128a
When I tried, once I got 8 sq
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Question 388280: Simplify the expression. Assume that the variable represents a positive number, so that no absolute symbols are needed.
sqrt18a^3 - a sqrt128a
When I tried, once I got 8 sqrt 2a, and then the next 3a sqrt of 2a
Can you help me?
Found 2 solutions by Fombitz, stanbon:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
sqrt18a^3 - a sqrt128a
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Modify:
---
sqrt[9a^2]*sqrt[2a] - a*sqrt[64]*sqrt[2a]
----
= 3a*sqrt(2a) - 8a*sqrt(2a)
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= -5a*sqrt(2a)
=====================
Cheers,
Stan H.
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