Answer:
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
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