Error message

  • User warning: The following module is missing from the file system: pantheon_api. For information about how to fix this, see the documentation page. in _drupal_trigger_error_with_delayed_logging() (line 1143 of /home/novelguides/homeworkhelp.novelguide.com/includes/bootstrap.inc).
  • User warning: The following module is missing from the file system: pantheon_login. For information about how to fix this, see the documentation page. in _drupal_trigger_error_with_delayed_logging() (line 1143 of /home/novelguides/homeworkhelp.novelguide.com/includes/bootstrap.inc).
  • User warning: The following module is missing from the file system: pantheon. For information about how to fix this, see the documentation page. in _drupal_trigger_error_with_delayed_logging() (line 1143 of /home/novelguides/homeworkhelp.novelguide.com/includes/bootstrap.inc).

How do you solve this? a^4-4a^2-21=0?

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Average: 4.5 (2 votes)
Reputation: 26
Asked 4 years ago.
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How do you solve this? a^4-4a^2-21=0?

I am not getting this at all.

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Question Category: Algebra.

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