tylerequitz tylerequitz

13-07-2022
Mathematics

contestada

What is the solution of √x+ 12 =
= x?
O x = -3
O x = 4
O x = -3 or x = 4
Ono solution
PLEASE HELP

Respuesta :

suspho9 suspho9

13-07-2022

Answer:

x₁ = 4

(x₂ = -3)

Step-by-step explanation:

√(x + 12) = x

x + 12 = x²

x² - x - 12 = 0

Δ = 49

x = (1 ±√Δ)/2

x₁ = 4

x₂ = -3

the right solution is 4 this can be seen by inserting the solutions found in the starting equation

Answer Link

Otras preguntas

What is a primary difference between a treaty and an executive agreement? A. Treaties must be approved by the Senate; executive agreements do not. B. Executive

Another name for the Great Plains

Which would be an example of a secondary consumer? A. a rabbit B. a fox C. a cow D. a mouse

What does the term humidity refer to? A. a weather condition B. a form of precipitation C. a step in the water cycle D. the amount of water dissolved in the air

Complete the equation that is related to the given equation. t – 1.8 = –2.3 t = –2.3 + _

A television program that presents the most recent developments in cancer research would be considered

explain how to subtract 247 from 538

A television program that presents the most recent developments in cancer research would be considered

What is the strongest dog sense?

Learning about public speaking can help improve your ________________.