Question

quais sao as raizes do polenomio (x-3) (x-7)=-9
pfvvvv​

Answer 1

Resposta:

Q ( x ) = ( x - 3 ) ( x - 7 ) ( x + 1 )

0 = ( x - 3 ) ( x - 7 ) ( x + 1 )

x - 3 = 0

x' = 3

x - 7 = 0

x" = 7

x + 1 = 0

x"' = - 1

S = { - 1, 3, 7 } → raízes

Explicação: