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By extracting square roots
x2 = 169


Sagot :

Answer:

To solve the equation     by extracting square roots, you need to take the square root of both sides of the equation to isolate the variable  .

1. Take the square root of both sides:

   

2. Simplify:

   

3. Since the square root of a number is always positive (or zero), we include the absolute value symbol to consider both positive and negative solutions:

   

Therefore, the solutions to the equation     are     and    .