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mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1Can you do complex (imaginary) solutions, or only real solutions?

BMI229
 one year ago
Best ResponseYou've already chosen the best response.1I just need an example worked out all the way.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1Notice that 27 = 3^3, so this is the sum of the cube of x and the cube of 3. x^3 + 3^3 = 0 The first step is to factor it.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1(x + 3)(x^2  3x + 9) = 0

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1Now to solve the equation, do x + 3 = 0 or x^2  3x + 9 = 0 The left side is x = 3. For the right side, use the quadratic formula.
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