Seudónimo Seudónimo
  • 14-07-2021
  • Mathematics
contestada

help me plz i will give you brainlist plzzzzz i beg you​

help me plz i will give you brainlist plzzzzz i beg you class=

Respuesta :

msm555
msm555 msm555
  • 15-07-2021

Answer:

Solution given:

[tex]\bold{4*3^{x+1}-9^{x}=27}[/tex]

let 3^xbe a

4*a*3-a²=27

a²-12a+27=0

a²-9a-3a+27=0

a(a-9)-3(a-9)=0

(a-9)(a-3)=0

either

a=9

3^x=3²

:.x=2

or

a=3

3^x=3^1

x=1

x=2,1

Answer Link

Otras preguntas

what is the definition of abolitionist
What is the volume of the empty part of the box? Plz plz plz help
The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, whic
Dwayne was born to a single mother living in chicago. according to bronfenbrenner's theory, dwayne's experience in this social context is an example of the
An advertisement on the radio warning then public against the damages of smoking is called a
What's happening to kids when they are having headaches, back pain and wheight gaining?
Julio is paid 1.4 times his normal hourly rate for each hour he works over 30 hours in a week.last week he worked 35 hours and earned $436.60. Write and solve a
How do I solve this?
what is the cubed root of 5219?
A jet travels 1000 kilometers in 5 hours. What is its average speed? A. 200 km/h B. 500 km/h C. 1005 km/h D. 5000 km/h