alane132 alane132
  • 04-08-2017
  • Mathematics
contestada

5x​2​​−320 factored completely?

Respuesta :

kphung76127
kphung76127 kphung76127
  • 04-08-2017
First take out the GCF (5)
5(x^2-64)
It's a perfect square so we can go further
5(x+8)(x-8)
Answer Link
Patrici33
Patrici33 Patrici33
  • 04-08-2017
First factor out the 5 so you have 5(x2-64). Since (a+b)(a-b)=(a^2-b^2)
(x^2-64)=(x-8)(x+8). So completely factored is 5(x-8)(x+8).
Answer Link

Otras preguntas

If Walt can paint 25 feet of fence in an hour, and Joe can paint 35 feet in an hour, how many minutes will it take them to paint a 150-foot fence, if they work
Explain how a species can evolve through natural selection.
How do you Factor c(squared)-8c ??
The height of a rectangular prism with a 20 cm by 12 cm base and a 30 cm diagonal.find the unknown dimension
How did scientists discover the common structure of cells?
Can somoene help me with this question??How might the history of the U.S. have been different if the original thirteen states had been guaranteed a perpetual ma
What are the 3 features of a typical seigneurie
The height of a rectangular prism with a 20 cm by 12 cm base and a 30 cm diagonal.find the unknown dimension
The length of a diagonal of a cube with edge length 25cm
By the mid-1700s, the largest city in the colonies was (A) New York (B) Boston (C) Philadelphia (D) Charleston (E) Wilmington, Delaware