danielbuitron danielbuitron
  • 21-06-2021
  • Mathematics
contestada

Solve (x + 9)2 = 25.

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aria1016
aria1016 aria1016
  • 21-06-2021
(x+9)2 =25

9x2 = 18


x+18 = 25 subtract 18 from both sides

x = 7
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