Question

10b+2ac-4d+15(+5b-26bc-6d-18
mim ajuda por favor ​

Answer 1

Resposta:

85b+2ac-94d-390bc-270

Explicação passo-a-passo:

10b+2ac-4d+15(+5b-26bc-6d-18)

10b+2ac-4d+15(5b-26bc-6d-18)

15(5b-26bc-6d-18)

15×5b-15×26bc-15×6d-15×18

75b-15×26bc-15×6d-15×18

15×5b-15×26bc-15×6d-15×18

75b-390bc-15×6d-15×18

15×5b-15×26bc-15×6d-15×18

75b-390bc-90d-15×18

15×5b-15×26bc-15×6d-15×18

75b-390bc-90d-270

10b+2ac-4d+14(+5b-26bc-6d-18)

10b+2ac-4d+75b-390bc-90d-270

10b+75b

(10+75)b

85b

10b+2ac-4d+75b-390bc-90d-270

85+2ac-4d-390bc-90d-270

10b+2ac-4d+75b-390bc-90d-270

-4d-90d

(-4-90)d

-94d

10b+2ac-4d+75b-390bc-90d-270

85b+2ac-94d-390bc-270

resposta

85b+2ac-94d-390bc-270