4 years ago

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

1 answer:

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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