Seudónimo Seudónimo
  • 03-03-2020
  • Mathematics
contestada

Factor the expression. 21v2 – 70v + 49
A. 7(3v – 7)(v – 1)
B. (21v – 49)(v – 1)
C. 7(3v + 7)(v + 1)

Respuesta :

dhalwood21 dhalwood21
  • 03-03-2020

Answer:

A. 7(3v-7)(v-1)

Step-by-step explanation:

21v2 - 70v +49

Factor out 7

7(3v2 - 10v +7)

write -10v as a difference

7(3v2 - 3v -7v +7)

Factor out 3v

7(3v × (v-1) - 7 × (v-1))

Factor out (v-1)

7(3v-7)(v-1)

Answer Link

Otras preguntas

Combien de pantalons est-ce que tu as?
Who is Oliver Twist?
Who were seen as traitors once the Nazi's had been defeated? A Jews B Communists C Collaborators D The Resistance
If continents continue to drift, is it possible that a new supercontinent will form ? Which continents might be next to each other 200 million years from now.
Shakespeare's 1 is classified as Middle 1 because it so closely resembles the 1 of the medieval period. a. True b. False
What is the multiple source test
how do you increase 2850 by 18%
Do not store flammable liquids with:
During the process of classical conditioning, the neutral stimulus (NS) is converted into the __________. a. conditioned stimulus b. conditioned response c. unc
quan bought 8.6 meters of frabic. how many cm of fabric did he buy