Use the x-intercept method to find all real solutions of the equation.
x? - 8x2 + 9x + 18 = 0
a. X=-1, 3, or 6
c. x = 1, -3, or 6
b. x = 1, -3, or - 6
d. x=-1, 3, or - 6
Please select the best answer from the choices provided
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