Akar-akar persamaan kuadrat -2x2 - 7x 30 = 0 adalah....
x = -6 atau x = 5/2
Penjelasan dengan langkah-langkah:
-2x² - 7x + 30 = 0
(-2x + 5)(x + 6) = 0
-2x + 5 = 0 atau x + 6 = 0
-2x = -5 x = -6
x = -5/(-2)
= 5/2
[answer.2.content](ISC)2 CCSP Certified Cloud Security Professional Official Practice Tests
(ISC)2 CCSP Certified Cloud Security Professional Official Practice Tests
x = -6 atau x = 5/2
Penjelasan dengan langkah-langkah:
-2x² - 7x + 30 = 0
(-2x + 5)(x + 6) = 0
-2x + 5 = 0 atau x + 6 = 0
-2x = -5 x = -6
x = -5/(-2)
= 5/2
[answer.2.content]