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stiks02 [169]
3 years ago
9

2. Solve x2 + 2x + 7 = 0 using the Quadratic Formula​

Mathematics
2 answers:
pantera1 [17]3 years ago
5 0

Answer:

x=7/4

Step-by-step explanation:

4x=-7=4x/-4=-7/-4=      x=7/4

Alchen [17]3 years ago
3 0

Answer:

  • -1 ± i√7

Step-by-step explanation:

  • x² + 2x + 7 = 0
  • D = 2² - 4*7 = 4 - 56 = -52
  • x = (-2 ± √-28)/2 = (-2 ± 2√-7)/2 = -1 ± i√7
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