okekesarah01642112
okekesarah01642112 okekesarah01642112
  • 25-04-2021
  • Mathematics
contestada

Please solve the exponential equation:
2^2x -6(2^x)+8=0​

Respuesta :

mhanifa
mhanifa mhanifa
  • 25-04-2021

Answer:

  • x = 2

Step-by-step explanation:

  • 2²ˣ - 6*2ˣ + 8 = 0
  • 2ˣ = t

  • t² - 6t + 8 = 0
  • t² - 6t + 9 = 1
  • (t - 3)² = 1
  • t - 3 = 1
  • t = 4

  • 2ˣ = 4
  • 2ˣ = 2²
  • x = 2
Answer Link

Otras preguntas

The Celtics played 5 games over the past two weeks. Here are their points scored: 92, 124, 97, 117, 105. What is the mean of the points they scored over the
ignore the filled in answer, just my marker. ANSWER ASAPP
Iron reacts with steam according to the reaction 3Fe +4 H2O → Fe3O4 + 4H2O. How many grams of iron will react with 5 moles of steam to convert to iron oxide wit
Nine times the sum of a number and 4 is 2
What is (10^8)^2 I really need the answer fast
How much is the square root of -2?
I need an answer for 27 please. Thank you. It’s due tomorrow.
Why are there many niches of species in one mountain
which of the following is the probability that a spinner will land on any color besides red if there are 12 equal sections-2 red,2 yellow,4 green and 4 blue​
HELP WITH THIS FAST!!!!!!!!!!!