← mixed practice iii cards you don't know will reappear later

you should create an account to save your progress. it only takes a minute!
new card

yes. you cannot separate a radical by addition or subtraction.

the correct solution to the original equation is x = 13.

i knew this card i didn't know this card
you have mastered 0 out of 37 cards
you are reviewing 0 out of 37 cards
you are learning 0 out of 37 cards

have feedback about this card? please email help@www.catharsisit.com