kim0923 kim0923
  • 02-12-2020
  • Mathematics
contestada

La suma de un número natural y su cuadrado es de 72. Encuentra el número del que se trata.

Respuesta :

Adetunmbiadekunle Adetunmbiadekunle
  • 09-12-2020

Answer:

8

Step-by-step explanation:

Sea el número x El cuadrado será x ^ 2

Entonces la suma será; x ^ 2 + x = 72 x ^ 2 + x-72 = 0

x ^ 2 + 9x-8x-72 = 0

x (x + 9) -8 (x + 9) = 0

(x + 9) (x-8) x = 8 o -9

Como solo estamos considerando números naturales, la respuesta correcta es 8

Answer Link

Otras preguntas

1.How and why did the universe begin?2.Whats the point of life? Why are we here?3.Are we alone in the universe?4.Are moral values relative or absolute?5.Should
Explain the statement that waves cause both constructive and destructive change to the shore line
what is 5.71 rounded to the nearest whole number
shayla says that one kilometer is equal to one million millimeters. is She correct? explain why?
What is cos P?  Right triangle PQR with a short leg measuring 5, a long leg measuring 12, and the hypotenuse as 13A. 5/12B. 12/13C. 5/13D. 12/5
which fraction shows 32/48 in simplest form
You can divide any parallelogram into two matching triangles. How is this useful?i need to know this answer right now please
Which of the following changes will decrease the rate of collisions between gaseous molecules oftype A and B in a closed container? A. decrease the volume of t
From the equations 7a = 4 and 7a + 4b = 12, one can conclude that b is? Please explain the work behind the solution
Explain why shorelines are always changing