Thread: calculate area of shaded region
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Old April 30th, 2009, 12:31 PM
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Can you factor it like this;

x^3 +x -2 = 0

x(x^2+1)-2= 0

x-2 = 0

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

x = 2 , x =-1 , x = 1

? Is that a valid proccess?
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