Question

Alternativa e)
(x2+x-1).(x-1)

Answer 1

Resposta:

3−2+1

Explicação passo-a-passo:

(2+−1)(−1)

{\color{#c92786}{(x^{2}+x-1)(x-1)}}(x2+x−1)(x−1)

(−1)⋅2+(−1)−1(−1)