lamamoti30
lamamoti30 lamamoti30
  • 02-06-2021
  • Mathematics
contestada

solve:
[tex] \sqrt{x} + \sqrt{5 + x} = 15 \div \sqrt{5 + x} [/tex]
​

Respuesta :

goyangi
goyangi goyangi
  • 02-06-2021
x = 4

Explanation:

sqrt(x) + sqrt(5 + x) = 15 / sqrt(5 + x)

sqrt(5 + x)[sqrt(x) + sqrt(5 + x)] = 15

sqrt(5x + x^2) + 5 + x = 15

sqrt(5x + x^2) = 10 - x

Take square of both sides

5x + x^2 = (10 - x)^2

5x + x^2 = 100 - 20x + x^2

Cancel x^2

5x = 100 - 20x

25x = 100

x = 4
Answer Link

Otras preguntas

How much times does 73 go into 141
Describe the interactions between water molecules and sodium and chloride ions
It says one pound of horse hair is divided into pulls to make horse hair belts. One pull weighs about 0.011 ounces. How many pulls could be made from 6 pounds o
Solve 3x - 4 ≤ 2 or 2x + 11 ≥ -1. Please help.
What is the main feature of chat rooms? alternate text messaging delayed text messaging real-time text messaging offline text messaging
If a balloon is left in a closed car on a hot day, what will happen to it?
Which of the following illustrates an example of a string data type?
What is the reciprocal
Event 1 and Event 2 are correlated when ________ A. Event 2 occurs before Event 1. B. Event 2 leads to a third event. C. Event 1 makes Event 2 happen. D. Event
how do you simplify csc x sin x/ cot x