ka736413 ka736413

16-11-2018
Mathematics

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Factor completely: x^3 -16x

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OmegaAzzy OmegaAzzy

16-11-2018

First, we can factor an x out of this.

We're left with x(x^2 - 16)

We can use the difference of squares theorem here to factor this further.

[tex]a^2 - b^2 = (a - b)(a + b)[/tex]

We're left with (x)(x + 4)(x - 4)

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