Respuesta :

Answer:

Step-by-step explanation:

k² = -18 - 9k

k²  +9k + 18 = 0

k²  + 6k + 3k + 3*6 = 0

k(k + 6) + 3 (k + 6) = 0

(k + 6) (k + 3) =0

-2v²- v  +12 = -3v² + 6

-2v² - v + 12 + 3v² - 6 = 0

v² - v + 6 = 0