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maxonik [38]
3 years ago
14

Help me with this, please.

Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
3 0

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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