Which of the following equations has exactly the same solutions as (x-7)(x+9) = 0

1 answer

To find an equation that has exactly the same solutions as \((x-7)(x+9) = 0\), we first need to identify the solutions to the original equation.

The equation \((x-7)(x+9) = 0\) is satisfied when either factor is equal to zero:

  1. \(x - 7 = 0 \quad \Rightarrow \quad x = 7\)
  2. \(x + 9 = 0 \quad \Rightarrow \quad x = -9\)

Thus, the solutions to the equation are \(x = 7\) and \(x = -9\).

To create an equation with the same solutions, we can multiply the factors by any non-zero constant or add or subtract equal terms from both sides, among other operations.

For example, we can write:

  1. \((x-7)(x+9) = 0\) directly.
  2. \((x-7)(x+9) - k = 0\) for any \( k \).
  3. \((x - 7)(x + 9) = c\) for any non-zero constant \(c\).

Any of these forms will also have the solutions \(x = 7\) and \(x = -9\).

If you need options to evaluate, feel free to provide them, and I can help determine which one matches!