omarspongebob55 omarspongebob55

13-02-2020
Mathematics

contestada

slove by completing the square x^2+4x-5=0

Respuesta :

amna04352 amna04352

18-02-2020

Answer:

-5 & 1

Step-by-step explanation:

[x² + 2(x)(2) + 2²] - 2² - 5 = 0

(x+2)² - 4 - 5 = 0

(x+2)² = 9

x+2 = +/- 3

x+2 = 3 x = 1

x+2 = -3 x = -5

Answer Link

Otras preguntas

Billy owns a painting that is valued at $39,113. If the value of the artwork increases by 10% every year, how much will it be worth in 11 years URGENT

Conflict avoidance in relationship

Find the missing number.

from 84 second to 8 seconds round to the nearest percent decrease

Identify three temperatures that are colder than -5°C. Then, using complete sentences, explain how you know that they are colder. i need it written pls

The Boston Massacre (1770), the battle of Lexington (1775), the signing of the Declaration of Independence (1776) and the Treaty of Paris (1783) are events most

can somebody answer my history question come on there on way i have to post my question two times in a row!!!!!!!

find the area 5cm 7cm 14cm 16 cm 5 cm

Reasos for the killing of the Uganda martrys

Height:? 6 cm 1. The diameter of the cylinder is 6cm as shown above. What is the height of the cylinder if the volume is 282.6 cu. cm. Show your work.