fbccasanova
fbccasanova fbccasanova
  • 24-10-2018
  • Mathematics
contestada

(x+12)^2=9




please answer

Respuesta :

lcckidsay lcckidsay
  • 24-10-2018

Answer:


Step-by-step explan

Answer Link
altavistard
altavistard altavistard
  • 24-10-2018

Answer:

x = -15 and x = -9

Step-by-step explanation:

(x+12)^2=9 can be solved for x as follows:  

1) take the sqrt of both sides:  x + 12 = plus or minus 3

2) x = -12 plus or minus 3

3) x = -15 and x = -9

Answer Link

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