raesea68 raesea68
  • 11-05-2020
  • Mathematics
contestada

2/5 + 3/5x = x+5 /10​

25 35x x5 10 class=

Respuesta :

Chelboy
Chelboy Chelboy
  • 11-05-2020

Answer:x=2-√5 or x=2+√5

Step-by-step explanation:

2/5 + 3/5x=(x+5)/10

(2x + 3)/5x=(x+5)/10

Cross multiply

10(2x+3)=5x(x+5)

Open brackets

20x + 30=5x^2+25

Arrange the quadratic equation

5x^2-20x+25-30=0

5x^2-20x-5=0

Solving there quadratic equation

x=2-√5 x=2+√5

Answer Link

Otras preguntas

PLEASE HELP THIS IS VERY IMPORTANT I'LL GIVE YOU BRAIN THING IF ITS CORRECT!! <3 NO LINKS PLEASEE.
Which of the following statements about hormones are accurate? (Select all that apply.) Insulin is a hormone produced in the thyroid gland. Sexual changes durin
anyone wanna help with this easy spanish hw? ill mark brainliest
Name the 4Ps of marketing.
A 34-kg child runs with a speed of 2.8 m/s tangential to the rim of a stationary merrygo-round. The merry-go-round has a momentum of inertia of 510 kg*m2 and a
. Find the distance from the center of a circle (2, -3) to a point that lies on the circle (-1, -2). Right answer and I’ll give you all five stars
6 An account pays 4% compound interest per year. Eric invests £1500 into the account for 2 years. How much interest will he earn? Ad
How do you know when you can trust someone? What does trusting somebody mean?
what is homeostasis? a. the body maintains balance b. the body changes c. the body is imbalance d. none of the above
help pls fast!!!!!llllllll