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

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

Someone plz help with this

Help ```````````````````````

The peak intensity of radiation from a star named sigma is 2 x 10^6 mmkay. What is the average surface temperature of Sigma rounded to the nearest whole number?

Moon is related to planet in the same way that planet is related to _____________. A. Orbit B. Sun C. Neptune D. Dwarf planet

Which is an example of radiation? Check all that apply. Troy’s hand is burned when he touches hot wax. Earth is heated by energy from the Sun. A hot dog is h

What is the conjugation for the verb in parenthesis Usted (hablar) lo question yo let pedi

what instruments where listed in ancient texts

Suppose you have $10000 in your checking account. you withdraw $500 cash from your account and hide it under your pillow for future use. if the required reserve

Page 27. Donald has 6 unit cubes. How manydifferent rectangular prisms can hemake using all 6 unit cubes?

I hate fractions, need help with this. 1a. Consider the rational numbers -2/5 and -1/2. What rational number is halfway between those numbers? 1b. Arrange -2/