sariahmateos sariahmateos
  • 18-11-2021
  • Mathematics
contestada

Divide and state the remainder

(I need help solving)

(a^3 + 6a^2 - 11a -38) ÷ (a+7)

Respuesta :

hayrmarie
hayrmarie hayrmarie
  • 18-11-2021

Answer:

remainder=-10

Step-by-step explanation:

a^3+6a^2-11a-38=a^3+7a^2-a^2-7a-4a-28-10=a^2(a+7)-a(a+7)-4(a+7)-10=(a+7)*(a^2-a-4)-10

or you can find remainder replacing a with -7:

-7^3+6*-7^2+7*11-38= -10

Answer Link
mhanifa
mhanifa mhanifa
  • 18-11-2021

Answer:

  • - 10

Step-by-step explanation:

(a³ + 6a² - 11a -38) ÷ (a+7) = a² - a - 4 rem (-10)

a³ + 7a²

      - a² - 11a

      - a² - 7a

              - 4a - 38

             - 4a - 28

                      -10

Answer Link

Otras preguntas

name the structures in a cellwhich carry inherited traits and give a brief overview of cellular reproduction
solve for y. a(y+c) = b(y-c)
Wrote 0.1 as a fraction
find the difference. 798300-348659=
how do i solve this? Ted says that 3 tenths multiplied by 100 equals 300 thousandths. Is he correct? use place value chart to explain your answer.
Which phrase matches the algebraic expression below? 2(x + 7) + 10
A natural number is a whole number sometimes or never true
Which of these BEST explains the importance of Judaism in World History? A) It became the dominant religion in medieval Europe. Eliminate B) It was the first m
Domain of the function g(x)=1-2x^2
farmWhich of the following sentences uses pronouns incorrectly? They helped by giving their time and collecting donations. I met her at the volunteer dinner a