fambern32 fambern32

24-07-2020
Mathematics

contestada

3^4x+^2=9^x+^2. what is the value of x?

Respuesta :

09pqr4sT 09pqr4sT

24-07-2020

Answer:

x = 1

Step-by-step explanation:

3^(4x + 2) = 9^(x + 2)

Make 9 with base 3.

3^(4x + 2) = (3^2)^(x + 2)

3^(4x + 2) = 3^(2x + 4)

Cancel bases.

4x + 2 = 2x + 4

Subtract 2 and 2x on both sides.

4x - 2x = 4 - 2

2x = 2

Divide 2 on both sides.

x = 1

Answer Link

Otras preguntas

A car is traveling at a constant velocity of 60 km/h for 4 hours. Choose the correct statement about the acceleration of the car. A) The acceleration of this

How can an object have no speed but still be accelerating

Summary of the Great Depression

The length of a side of a square is √7 centimeters. What is the area of the square? (Area=length times width)

2.5% of what is 2.21

how does the law of conservation of mass apply to this reaction:Al+3HCl-->H2+AlCl3

can you please help me with pre-algebra?? :)

What is wrong with this sentence? the weatherman showed an animated character, it was a cloud with lips that blew cold wind.?

Kanye west famously interrupted swift's acceptance speech at this awards show.

What artist was influenced by african masks? a. pablo picasso b. edouard manet c. edvard munch