riveraaraceli1110
riveraaraceli1110 riveraaraceli1110
  • 23-04-2020
  • Mathematics
contestada

Solve (x + 9)2 = 25.
Vox + 9)2 = 25
1. Apply the square root property of equality:
2. Isolate the variable.
If x + 9 = 5, then x = ?
If x + 9 = -5, then x = ?

Respuesta :

redbudtree84 redbudtree84
  • 23-04-2020

hi

(x+9)² = 25  ⇒  (x+9)  = 5  or  (x+9) = -5    as  5² = 25  and  (-5)² = 25

                       

if  x+9 = 5                or   x+9 = -5

   x =  5-9                       x = -5 -9

   x = -4                           x =  -14

So answers are  :  value of   x  are   -4   or  -14

Answer Link
marriillyn
marriillyn marriillyn
  • 23-04-2020
If x + 9 = 5, then x = -4
If x + 9 = -5, then x = -14
Answer Link

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