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Pwede ka lang mag-add or mag-subtract ng radicals kapag same ang index and radicand nya. Parang sa operation of variables lang, pwede mo lang iadd at subtract pag same yung variable and exponent. So basically, parang ititreat mo lang yung radical as a variable.

2√2 + 3∛4 - 4∛2 + 5∛4 - √2 = √2 + 8∛4 -4∛2

So kita mo di pwede icombine yung ∛4 at ∛2 kasi kahit parehas sila ∛ magkaiba yung nasa loob nila.
And di rin nacombine yung ∛2 at √2 kasi kahit parehas sila na 2 yung nasa loob, magkaiba naman index nila. :D

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