Question

Factor the polynomial expression 4x3 - 4.

Answer 1

Answer: 4(x - 1)(x^2 + x + 1)

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Work Shown:

4x^3 - 4

4(x^3 - 1)

4(x - 1)(x^2 + x + 1)

In the last step, I used the difference of cubes factoring formula which is

a^3 - b^3 = (a - b)(a^2 + ab + b^2)