elianaedwardsel elianaedwardsel

02-06-2022
Mathematics

contestada

The difference between a number and its square is 42 find the number

Respuesta :

ththkh77 ththkh77

06-06-2022

Answer:

x = 7 or -6

Step-by-step explanation:

Let a number be x.

Its square = x²

x - x² = 42

-x² + x - 42 = 0

-(x² - x + 42) = 0

x² - x + 42 = 0

(x - 7)(x + 6) = 0

x - 7 = 0 or x + 6 = 0

x = 7 or x = -6

Answer Link

Otras preguntas

Which of the following best describes a “fit” organism, according to natural selection theory? one that survives under adverse conditions one that survives in i

Simplify and solve it

Where is the balance point for government efforts to make up for past discrimination and unintentionally causing new discrimination? How can government give one

Why were the Crusades fought? a. to bring the eastern bishops back under the pope’s control b. to protect European territory from invading Muslims c. to unite t

The process by which sperm from one flowers pollen fertilizes the eggs in a flower of a different plant is

A survey of 1,060 tourists visiting Orlando was taken. Of those surveyed: 280 tourists had visited LEGOLAND 278 tourists had visited Universal Studios

A sample of compressed methane has a volume of 648 mL at a pressure of 503 kPa. To what pressure would the methane have to be compressed in order to have a volu

Can a flashlight cause skin cancer

b. The concession stand ran a special and sold the hot dogs for $1 off the regular price and marked down the cans of pop 50 cents. Write a new equation to repre

An uncle wills 3000.00 to his 2 nieces and one nephew. The older niece is to receive twice what the younger niece receives and the nephew is to receive an amou