Seudónimo Seudónimo
  • 16-03-2017
  • Mathematics
contestada

What are the factors of x2 − 64?
Prime
(x − 4)(x + 16)
(x − 8)(x − 8)
(x + 8)(x − 8)

Respuesta :

texaschic101
texaschic101 texaschic101
  • 16-03-2017
x^2 - 64 = 
(x + 8)(x - 8) <===
Answer Link
JeanaShupp
JeanaShupp JeanaShupp
  • 19-06-2019

Answer: [tex](x+8)(x-8)[/tex]

Step-by-step explanation:

The given polynomial : [tex]x^2-64[/tex]

Since both the terms are perfect square.

Rewrite the above equation in the form of difference of two squares:

[tex]x^2-(8)^2[/tex]

Using algebraic formula given below:-

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

[tex]\Rightarrow\ x^2-(8)^2=(x+8)(x-8)[/tex]

Hence, the factors of [tex]x^2-64=(x+8)(x-8)[/tex]

Answer Link

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