What method(s) would you choose to solve the equation? Explain your reasoning.

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a
Quadratic formula, completing the square or graphing; the coefficient of x2-term is 1, but the equation cannot be factored.
b
Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large.
c
Square roots; there is no x-term.
d
Factoring; the equation is easily factored.

I would choose option a, the quadratic formula, completing the square, or graphing. This is because the equation cannot be factored. The coefficient of the x^2-term is 1, indicating that it is a quadratic equation. However, since the equation does not factor easily, other methods such as the quadratic formula, completing the square, or graphing would be more appropriate to solve the equation accurately.