Sumali sa IDNStudy.com para sa detalyadong mga sagot sa iyong mga tanong. Alamin ang mga maaasahang sagot sa iyong mga tanong mula sa aming malawak na kaalaman sa mga eksperto.

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    .