KelseyCalcines KelseyCalcines
  • 22-02-2017
  • Mathematics
contestada

I want to how they answer this question. What is the value of x?

I want to how they answer this question What is the value of x class=

Respuesta :

ChandrikaP ChandrikaP
  • 22-02-2017
√(15+x) = 2x+3
take sqr for both side

15x+10=(2x+3)^2

15x+10=4x^2+9+2*2x*3
15x+10=4x^2+9+12x
4x^2-3x--1=0

solve it u will x=1,-1/4

Answer Link

Otras preguntas

20 POINTS PLEASE HELP!1. What is the scale factor from the smaller rectangular prism to the larger rectangular prism?Scale Factor =
Plz explain your answer A guitar string has a length of 0.90 m. When you pluck it, it plays a ā€œCā€ that has a frequency of 256 Hz. How fast is the wave moving b
What term refers to the way in which a business tries to balance its commitments to groups and individuals in its social environment?
Jason and Mark have volunteered to fill water into the two dunk tanks for their scout field days. The amount of water in Jason's dunk tank is represented by the
What can help you move an object on a slide in a presentation application
A bakery sells a box of 12 cookies for $10.50 and charges $0.24 for each additional cookie. If Marshall has $20.00 to buy the box of cookies and additional cook
You measured 6 cups of water and 5 cups of lemon juice to make how many total quarts of lemonade?
If reena pays an interest of Rs 1080 for two years on a sum of Rs 9000 find the rate of interest
A gas occupies a volume of 458 mL at a pressure of 1.0 1K PA and temperature of 295K. when the pressure is changed the volume becomes 500 mL. if there has been
why does California have so much crime and what are the effects of it