Question

(4a³-8)-(4a³-4)=
(4a³-8)-(4a³-17)=
(4a³-8)-(6a³-8)=
(4a³-8)-(4a³-8-3a)=
Помогите срочно

Answer 1

Ответ:

1)

$(4a {}^{3} - 8) - (4a {}^{3} - 4) = - 4$

2)

$(4a {}^{3} - 8) - (4a {}^{3} - 17) = 9$

3)

$(4a {}^{3} - 8) - (6a {}^{3} - 8) = - 2a {}^{3}$

4)

$(4a {}^{3} - 8) - (4a {}^{3} - 8 - 3a) = 3a$