02-03-2021
Mathematics

contestada

Solve the following equation by completing the square

x^2+4x-4=0

Respuesta :

trini10kal trini10kal

02-03-2021

Answer:

x = ±2[tex]\sqrt[]{2}[/tex]-2

Step-by-step explanation:

x^2+4x-4=0

x^2+4x=4

x^2+4x+4=4+4

(x+2)^2=8

x = ±2[tex]\sqrt[]{2}[/tex]-2

Answer Link

Otras preguntas

An airplane travels 3,260 kilometers in 4 hours. What is the airplane’s average speed?

How did scientists discover the common structure of cells?

Alicia estimates that the surface area of a rectangular prism with a length of 11 meters,a width of 5.6 meters,and a height of 7.2 meters is about 334 cubic met

A farmer hauled in 120 bales of hay. Each of his cows ate 1 1/4 bales. How many cows the farmer feed?

How do scientists use seismic waves to determine the interior structure of Earth?

Can somoene help me with this question??How might the history of the U.S. have been different if the original thirteen states had been guaranteed a perpetual ma

What is biogeography and what does it provide?

Explain how a species can evolve through natural selection.

How do scientists use seismic waves to determine the interior structure of Earth?

The value square root of 53 of lies between which two consecutive integers?