SOLUTION: i have an example problem that looks like this.. (X-12)^2=16 ^2..means to the second power. please help me understand this.

Algebra ->  Trigonometry-basics -> SOLUTION: i have an example problem that looks like this.. (X-12)^2=16 ^2..means to the second power. please help me understand this.      Log On


   



Question 341177: i have an example problem that looks like this..
(X-12)^2=16
^2..means to the second power.
please help me understand this.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(X-12)^2=16
---
(x-12)^2-16 = 0
Factor:
[(x-12)-4][(x-12)+4] = 0
---
Simplify:
[x-16][x-8] = 0
---
Solve:
x = 16 or x = 8
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Cheers,
Stan H.