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Malik545
Malik545 Malik545
  • 04-03-2017
  • Mathematics
Answered

How do you solve? Help?

How do you solve? Help? class=

Verified Answer :

sdmatera
sdmatera sdmatera
  • 04-03-2017

Plug in a -20 wherever you see a b
(-20)^2 +4*-20-89/13
400 + -80-89/13
400 - 169/13
400-13
=387

Hope this helps

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