Question

-12x² +24x - 36 =0

Answer 1

O que isso quer dizer?

Answer 2

Resposta:

$a=-12$ $b=24$ $c=-36$

Δ$=24^{2}-4$·$a$·$c$

Δ$=576-4$·$(-12)$·$(-36)$

Δ$=576-1728$

Δ$=-1152$