Question

(a²-5)+5(2a-3)-3(2a²+a1)​

Answer 1

Respuesta:

$- 5a {}^{2} + 7a - 20$

Explicación paso a paso:

$a {}^{2} - 5 + 10a - 15 - 3(2a {}^{2} + a)$

$a {}^{2} - 5 + 10a - 15 - 6a {}^{2} - 3a$

$- 5a {}^{2} - 20 + 7a$

$- 5a {}^{2} + 7a - 20$