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3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!

Mathematics

1 answer:

Nadya [2.5K]3 years ago

6 0

Answer: B

Step-by-step explanation:

x³ - 3x² + 16x - 48 = 0

→ x²(x - 3) + 16(x - 3) = 0

→ (x² + 16) (x - 3) = 0

→ (x² - (-16)) (x - 3) = 0

→ (x - 4i)(x + 4i)(x - 3) = 0

→ x - 4i = 0 x + 4i = 0 x - 3 = 0

→ x = 4i x = -4i x = 3

2 imaginary roots and 1 real root

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