Question 1173127
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(1)  Solve by factoring


         x^2 - 2x - 3 = 0

         (x-3)*(x+1) = 0

         The roots are  x= 3  and  x= -1.



(2)  Take factor (3x) out


         3x^3 - 12x = 3x(x^2 - 4) = 3x*(x-2)*(x+2)
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