kemplewi3666 kemplewi3666
  • 01-09-2017
  • Mathematics
contestada

Which is a factor of 2a(cubed) - 2a(squared) - 7a + 7?
A) (a - 1)
B) (a + 1)
C) (a - 7)
D) (a + 7)

Respuesta :

choixongdong
choixongdong choixongdong
  • 01-09-2017
2a(cubed) - 2a(squared) - 7a + 7
= 2a^3 - 2a^2 - 7a + 7
= 2a^2 (a -1) - 7 (a -1)
= (a - 1)(2a^2 - 7)

(a - 1) and 
(2a^2 - 7) are factors 

answer
A) (a - 1) 
Answer Link

Otras preguntas

Arches are architectural features that resemble the upper half of a sphere or circle. a. True b. False
Why did the authors of the declaration of independence fail to address the rights of woman?
The oxygen you bring into your body is used for what purpose
What is known as a word or phrase that has a meaning something different than its literal meaning? Figures of Speech Irony Faux Allusion
The length of a rectangle is represented by the polynomial 2x^3-5x^2+8 and the width is represented by the polynomial x+3 .Complete the following statements abo
Which binomial is a factor of f(x) = x4 – 3x3 – 28x2 + 36x + 144? (x – 6) (x – 4) (x – 2) (x + 3)
how many intergers between 1 and 500 inclusive are divisible by both 6 and 9 but not 4
what are some of the ways bacteria are good for your health
A smalltown family has two children, of whom at least one is a boy. what is the chance that both children are boys
What layer of the atmosphere is the least dense?