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Sergeu [11.5K]
3 years ago
11

Solve using the quadratic formula. Show all work. Write each solution in simplest form. No decimals.

Mathematics
1 answer:
alexgriva [62]3 years ago
7 0

Answer:

C

Step-by-step explanation:

a=12,b= 9, c=7

x=-9±√9²-4x12x7/2x12

=-9±√81-336/24

=-9±√-225/24

{x=9+í√225/24 or x=9-í√225/24}

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