Question 432449
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Hi
Combining the {{{sqrt(15)}}} 'Like' terms
 {{{3sqrt(15)+9sqrt(15) = 12sqrt(15)}}}

Putting into 'Like' term format (if possible) to combine:
{{{ sqrt(40)-sqrt(10) =  sqrt(4*10)-sqrt(10) = 2sqrt(10)-sqrt(10)= sqrt(10)}}}