alycatgoesrawr
alycatgoesrawr alycatgoesrawr
  • 22-08-2017
  • Mathematics
contestada

Posting a screenshot. please help.

Posting a screenshot please help class=

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texaschic101
texaschic101 texaschic101
  • 22-08-2017
x^2 + 10x + 11 = 0
x^2 + 10x = -11
x^2 + 10x + 25 = -11 + 25
(x + 5)^2 = 14 <===
x + 5 = (+-) sqrt 14
x = -5 (+-) 3.74

x = -5 + 3.74 = -1.26 <== solution
x = -5 - 3.74 = - 8.74 <== solution


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