Find all real number solutions for the equation a^2 - 9 = 0. Solutions (separate by commas): a =
Find all real number solutions for the equation a^2 - 9 = 0. Solutions (separate by commas): a =
The equation is a quadratic equation: a^2 - 9 = 0.
We can factor it as (a - 3)(a + 3) = 0.
Setting each factor equal to zero gives the solutions:
Therefore, the real number solutions are: 3, -3.
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