bonjour
b(t)= 25t³-15t-10t
on factorise 5t pour le sortir de 25t³
5t(5t²) -15t +10t
on factorise 5t pour le sortir de -15t²
5t(5t²)+5t (-3t) +10t
on factorise 5t pour le sortir de 10t
5t(5t²)+5t(-3t) +5t(2)
on factorise
5t (5t² -3t +2)
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bonjour
b(t)= 25t³-15t-10t
on factorise 5t pour le sortir de 25t³
5t(5t²) -15t +10t
on factorise 5t pour le sortir de -15t²
5t(5t²)+5t (-3t) +10t
on factorise 5t pour le sortir de 10t
5t(5t²)+5t(-3t) +5t(2)
on factorise
5t (5t² -3t +2)