jennyjorgensen jennyjorgensen
  • 17-07-2019
  • Mathematics
contestada

Factor completely x^2 − 36. (1 point)

Respuesta :

luisejr77
luisejr77 luisejr77
  • 17-07-2019

Answer: [tex](x-6)(x+6)[/tex]

Step-by-step explanation:

We observe that [tex]x^2 - 36[/tex] has the "Difference of squares" form. Then, we need to apply:

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

Since:

[tex]x^2=x*x\\\\36=6*6=6^2[/tex]

We can rewrite the polynomial:

 [tex]x^2 - 6^2[/tex]

We  can identify that:

[tex]a=x\\b=6[/tex]

Knowing this, we can factor it completely. Then, we get:

[tex]x^2 - 6^2=(x-6)(x+6)[/tex]

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