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posledela
3 years ago
13

Factor and simplify 8cos^2x+cosx-9

Mathematics
1 answer:
KonstantinChe [14]3 years ago
3 0
HELLO DEAR,




GIVEN:-
8cos²x + cosx - 9

8cos²x + 9cosx - 8cosx - 9

cosx(8cosx + 9) - (8cosx + 9)

(cosx - 1)(8cosx + 9)


I HOPE ITS HELP YOU DEAR,
THANKS
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