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x^3+x^2-4x-4

solve using factor method

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Muhammad C. | Muhammad the grand math tutorMuhammad the grand math tutor
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x^3 + x^2 - (4x + 4) = (x^2)(x + 1) - 4(x + 1) = (x^2 - 4)(x + 1) = (x + 2)(x - 2)(x +1)