kcmevuw9dn
kcmevuw9dn
19-09-2020
Mathematics
contestada
Help me with this, please.
Respuesta :
mhanifa
mhanifa
20-09-2020
Answer:
- 5 ± 11
Step-by-step explanation:
2x² + 5x - 12 = 0
a = 2, b = 5, c = -12
x = (-b ± D)/2a
D = √b² - 4ac = √5² -4*2*(-12) = √25+96 = √121 = 11
x = (-5 ± 11)/4
Correct choice is the second one or B
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