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

what are runes? thanks in advance
What is an Alma Mater?
Can someone show me how to factor this? 5k-35
what does blood deliver to every part of the body?
solve this  question using suitable property(associative,distributive,closure,commutative)24*102
after hearing this news from friar john, what does friar Laurence intend to do?
Which goal, set a womens convention in seneca falls in 1848, was finally achieved during the progressive era?
In Economics, What is Signalling?
What is the square root of 325
Montesquieu's Spirit of the Laws proposed what?