3 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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xeze [42]

48/53

Steps

15 inches = 1.25 feet

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Simplified = 9.6 : 1

9.6 + 1 = 10.6

9.6/10.6 = 48/53

Checking...

12 feet = 144 inches

Ratio = 144 : 15

144 + 15 = 159

144/159 = 48/53

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