Which of the following equations has exactly the same solutions as (x - 7)(x + 9) = 0' ? x ^ 2 = 2x - 63; x ^ 2 + 2x = - 63; x ^ 2 = - 2x + 63; x ^ 2 - 2x - 63 = 0
1 answer
The equation (x - 7)(x + 9) = 0 has exactly the same solutions as x^2 - 63 = 0.