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

What are 5 facts about landfill pollution?
50 pts! Mary is Constructing the circumscribed circle for triangle ABC. Please see the Images below, answer the question fully and thoroughly.
Who is announced as the winner of Spring Fling Queen by Duvall?a) Regina Georgeb) Caddy Heronc) Gretchen Wienersd) Karen Smith
Solve the equation 2x28x-1=0 by completing the square. Give your answers correct to 2 decimal places.
Find the rate % on $3,200 for 6 years that will attract a SI of $400.
2703+206306296292729
What happens that indicates the beginning of the Otto cycle? a. Piston at TDC at beginning of intake stroke b. Piston at TDC at beginning of compression stroke
Why might government based on military power often be considered weak?
Hi, I am writing a 2000 word essay about literary modernism what are some key things that I can use in it to get a good grade?
The rectangular floor of a classroom is 26 feet in length and 36 feet in width. A scale drawing of the floor has a length of 13 inches. What is the perimeter, i