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Mathematics 39 Online
OpenStudy (anonymous):

adding and subtracting radicals? I need quick answers...

OpenStudy (anonymous):

OpenStudy (anonymous):

@MathLegend please help

OpenStudy (mathlegend):

With the first one... we can combine like terms... Just like you can combine a 4x and a 2x... 4x + 2x = 6x You can combine terms that have the same number under the radical... so I will help you with the 1st worksheet and you do the other ones based off what we do.

OpenStudy (mathlegend):

\[5\sqrt{7}-10\sqrt{7} = -5\sqrt{7}\]

OpenStudy (mathlegend):

So can you combine the ones with the Radical 6? we have...

OpenStudy (mathlegend):

\[12\sqrt{6}-5\sqrt{6} = ?\]

OpenStudy (anonymous):

OMG!! I just got it!!

OpenStudy (anonymous):

Thank you so much!

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