Lizzy2345 Lizzy2345
  • 23-05-2014
  • Mathematics
contestada

Can you solve this for me by: 
Factor out the GCF. Then continue to factor by using other methods.
2a² -32

Respuesta :

D3xt3R
D3xt3R D3xt3R
  • 23-05-2014
[tex]2a^2-32[/tex]

[tex]2*a^2-2*16[/tex]

[tex]2*(a^2-16)[/tex]

but we have a Difference of two square

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

now you can see it very well

[tex]2*(a^2-4^2)[/tex]

so

[tex]\boxed{\boxed{2*(a-4)*(a+4)}}[/tex]
Answer Link

Otras preguntas

Jules is studying insects in science class. He drew a detailed drawing of an insect as it looks through a hand lens. How could Jules best improve his drawing?
Find the balance on a deposit of $1,150 that earns 9% interest compounded annually for 2 years.
what is 3/4 and 7 3/4 in decimal form?
32) Identify the turning point of the function f(x)= x^2-2x+8 by writing its equation in vertex form. Show your work.
The blades of a windmill turn on an axis that is 30 feet from the ground. The blades are 10 feet long and complete 2 rotations every minute. Write a sine model
If two of a triangle,s angles measure 42 degrees and 48 degrees, how would you classify that triangle? A: acute angle B: obtuse angle C: right angle
The Greek, Egyptian, and Hebrew languages were used to compose what alphabet? Cyrillic Acrylic Persian Metallic
In human geography, who studies and tracks rates of birth, marriage, and death? a. geographers b. culturists c. geologists d. demographers
120 books increased by 55%
Which of the following are forms that were popular before the invention of the novel? select all that apply. drama epic poetry coming-of-age-tale stream-of-