jinlook558983 jinlook558983
  • 22-11-2021
  • Mathematics
contestada

PLS HELP ASAP
x^2 - 4x-1=0
Solve using formula

Respuesta :

campbelljowayne293 campbelljowayne293
  • 22-11-2021
X1=2-Square root 5 x2=2+ Square root 5
Answer Link
ramylan00
ramylan00 ramylan00
  • 22-11-2021

2x ( x - 2x) = 1

2x= 1

x = 0.5

x-2x = 1

-x = 1

x = -1

Answer Link

Otras preguntas

Bunny Hill Ski Resort charges $35 for ski rental and $10 an hour to ski. Black Diamond Ski Resort charges $40 for ski rental and $5 an hour to ski. Create an eq
× _+4=20 6 Solve the following equation. Then place the correct number in the box provided.
What name was given to the western European Christian church after the religious schism in 1054 CE?
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
What is time-slice? How is the end of the time slice indicated?
Simplify by dividing -5/8 and -3/4​
What factors might push a person to immigrate to another country? What might be some of the greatest challenges and rewards for them?
Your friend Valeria knows that exercising can help burn calories and lose weight. However, since she is not interested in burning calories or losing weight, she
Which of the following indicates that people are avoiding your civic responsibilities?
a boat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years​