ka736413
ka736413 ka736413
  • 16-11-2018
  • Mathematics
contestada

Factor completely: x^3 -16x

I'll appreciate the Help!!!

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OmegaAzzy
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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