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

What are the possible values for x in the equation 4x^2 = 64(1) x=0 (2) x=4 (3) x=4,-4 (4) x=0,4,-4

in a geometric series t1=23,t3=92 and the sum of all of the terms of the series is 62813. How many terms are in the series

her investment grew 22% to$610 how much did she invest____ ( solve as an equation or fraction)

how did martinique gain independence

if square root of 405 rounded to the nearest thousandth is 20.125 how do u simplify to get to that answer, thank u.

write the equation in function form then graph the equation 3x-y=5

A climber is on a hike.after 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet. What is the average rate of change?

how did jazz demonstrate the independent spirit of the times?

se quiere embotellar 43,5 litros de leche en botellas de 0,750 de litro ¿cuantas botellas se necesitan?

What Is the National Prohibition Act?