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

What value for A makes this equation true? 4 • 48 = (4 • 40) (4 • B)
Which of the following BEST describes what rhetoric is? 1. the art of telling stories 2. the art of selling something they don't want 3. the art of persuading p
Where is the Water table?
Dave rented a limousine for his wife's birthday. The hourly rate is $70. They used the limousine for 4 hours, plus Dave gave the driver a 10% tip. How much did
What are three equivalent ratios for 5:45?
Species is a(an)_________ specific level of classification than domain.
Before Ancient Greece became a democracy, the government was ruled by aristocrats. Which of the following best describes an aristocrat? a person in the working
Which sentence best describes Richard Nixon's early campaigns for office? A. He tirelessly traveled from place to place, eager to talk to as many people as poss
word form for 10 times 10 times 10 times 10 times 10
HELP PLEASE COME FAST