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
Algebra ->
Square-cubic-other-roots
-> 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
Log On
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! sqrt18a^3 - a sqrt128a
---------------
Modify:
---
sqrt[9a^2]*sqrt[2a] - a*sqrt[64]*sqrt[2a]
----
= 3a*sqrt(2a) - 8a*sqrt(2a)
-----
= -5a*sqrt(2a)
=====================
Cheers,
Stan H.
(