x^2 + 2x = 13
x^2 + 2x + 1 = 13+1
(x+1)^2 = 14
Use the completing the square method to transform the equation [x^2 + 2x = 13 into an equation of the form (x + 3)^2 = b where a and b are real numbers. What are the values of a and b?
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