hyerlogan hyerlogan
  • 18-06-2020
  • Mathematics
contestada

For what values of x does
25^x = 5^(x2-3?)

Respuesta :

ronhagrid310
ronhagrid310 ronhagrid310
  • 18-06-2020

Answer:

x = 3 or x = -1

Step-by-step explanation:

     25^x = 5^(x^2 - 3)

<=> (5^2)^x = 5^(x^2 - 3)

<=> 5^(2x) = 5^(x^2 - 3)

<=> 2x = x^2 - 3

<=> x^2 - 2x - 3 = 0

<=> x^2 + x - 3x - 3 = 0

<=> x(x + 1) - 3(x + 1) = 0

<=> (x - 3)(x + 1) = 0

<=> x = 3 or x = -1

I hope this helps!

Answer Link

Otras preguntas

A right rectangular prism with square bases has a height of 20 centimeters and a volume of 800 cubic centimeters. Which statements describe the prism? Check al
What might agencies do to cut down on the radiation rick to astronauts
How many inches are represented by 5 degrees on the rim of a 16-inch diameter flywheel
Write a balanced chemical equation showing how each metal oxide reacts with hcl.
como se chama aqui que os reis usavam ao pescoço ? ( Luis Vaz de Camoes tambem usava) eu preciso realmente de ajuda MUITO OBRIGADA
Which of the countries in East Asia has the greatest amount of natural resources?
Do plants such as ferns need to break down glucose to obtain usable energy? A.No, they absorb the sun's energy directly. B.No, they absorb energy from the s
Was the americanization of the war in vietnam inevitable?
What did the boxer rebellion indicate most clearly?
Which of these is the main function of the legislative branch A. To make laws B. To enforce laws C. To define laws D. To interpret laws