gmad2883oy5jjx
gmad2883oy5jjx gmad2883oy5jjx
  • 23-03-2022
  • Mathematics
contestada

please show all algebraic steps

please show all algebraic steps class=

Respuesta :

isalep93 isalep93
  • 23-03-2022

under the same denominator r(r-4)

[6(r-4)] / (r(r-4)) + (4r) / (r(r-4)) = 1

(6r - 24 + 4r) / (r(r-4)) = 1

10r - 24 = r (r-4)

10r - 24 = r² - 4r

r² - 14r + 24 = 0

Δ = (-14)² - 4*1*24 = 100 = 10²

x' = (14 + 10) / 2 = 12

x" = (14 - 10) / 2 = 2

i'm french - so I answered as we learn in France :)

Answer Link

Otras preguntas

define the roots. you may use a dictionary if you need to. homonym
what occurrence allows the narrator to understand more about why Ethan is the way he is
Samantha has a bag of 5 different colored marbles. She randomly picks a marble from the bag, records the color, and returns it to the bag before picking another
How does Pablo Neruda deal with his subject matter in "Ode on the Lemon"?
True or false Continental crust is younger than oceanic crust.
Two other branches of the Indo-European language are_____ and Celtic.
1. tren para viajar a otro continente. 2. avión para viajar entre isles en el Caribe. 3. bicicleta para viajar a otro estado en una manera económica. 4. b
What is the exact volume of a cylinder whose radius is 21 centimeters and whose height is 30 centimeters? Enter your answer, in terms of π, in the box. ?cm³
I need help with this please!! 50-[3(7-1)]/2
Why did the vietnamese communist forces turn out to be more effective than technologically superior army of the us ?