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anonymous
 one year ago
What are the solutions of the equation 9x^4 – 2x^2 – 7 = 0? Use u substitution to solve.
anonymous
 one year ago
What are the solutions of the equation 9x^4 – 2x^2 – 7 = 0? Use u substitution to solve.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@butterflydreamer please help

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.0dw:1440596622184:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0factorise? sorry i suck at math lol

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.0have you learnt factorisation yet?

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.0so you haven't learnt the thing with the two brackets? for e.g. x^2  3x 4 = (x + 1 ) ( x  4 )

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.0.... then... i'm not sure how you are meant to solve this if you haven't learnt how to factorise yet D:

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ikr its on this big test thing and if i make a 100 i get to skip the whole class or if i make a 80 skip 80% of the class

butterflydreamer
 one year ago
Best ResponseYou've already chosen the best response.0hmm.. you should really learn how to factorise first or else it'll be pretty hard to explain this question... :( sorry
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