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Mathematics 9 Online
OpenStudy (lexilove13):

Help please!

OpenStudy (anonymous):

With what?

OpenStudy (lexilove13):

\[\sqrt{3}+4\sqrt{3}\]

OpenStudy (lexilove13):

I don't know how to solve it. The answer choices are: A. \[5\sqrt{6}\] B. \[5\sqrt{3}\] C. \[3\sqrt{6}\] D. \[3\sqrt{3}\]

OpenStudy (anonymous):

Okay, hang on let me draw how to solve it!

jimthompson5910 (jim_thompson5910):

think of the square root of 3 as x so you would have x + 4x = 5x

jimthompson5910 (jim_thompson5910):

then just replace x with sqrt(3) back again to get 5*sqrt(3)

OpenStudy (lexilove13):

Say what? @jim_thompson5910 I don't understand what you just said

OpenStudy (lexilove13):

@radar come help me!

jimthompson5910 (jim_thompson5910):

Let \(\large x = \sqrt{3}\) \[\large \sqrt{3} + 4\sqrt{3}\] \[\large x + 4x\] \[\large 5x\] \[\large 5\sqrt{3}\]

OpenStudy (anonymous):

|dw:1369864564647:dw| Here you go!

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