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Sagot :

VINS

bonjour

O = 144 t²  - 25

O = ( 12 t  - 5 ) ( 12 t + 5 )

Bonjour

Factoriser cette expression,

O= 144t² - (30 - 5)

O =144t² - 25

O = (12t - 5) (12t + 5).

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