(x-5)^2=81

less than a minute read Jun 17, 2024
(x-5)^2=81

Solving the Equation (x-5)² = 81

This article will guide you through solving the equation (x-5)² = 81.

Understanding the Equation

The equation presents a squared term, indicating we need to find the values of 'x' that satisfy the equation. We can approach this by applying the square root property.

Solving for x

  1. Take the square root of both sides: √(x-5)² = ±√81

  2. Simplify: x - 5 = ±9

  3. Isolate x: x = 5 ± 9

  4. Solve for the two possible values:

    • x = 5 + 9 = 14
    • x = 5 - 9 = -4

Conclusion

Therefore, the solutions to the equation (x-5)² = 81 are x = 14 and x = -4. These values, when substituted back into the original equation, will make the equation true.

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