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

Calculate the slope of the line that passes through (3,2) and (−7,4)
Morgan bought a sofa for $216.00. The finance charge was $25 and she paid for it over 15 months. Use the formula Approximate APR =(Finance Charge÷#Months)(12)Am
A triangle has sides with lengths of 8 millimeters, 15 millimeters, and 17 millimeters. Is it a right triangle?
Using Ohms Law, calculate the voltage that would exist in a circuit having a current of 2 Amps experiencing resisting 60 Ohms of resistance
Can someone help me!
Solve f(x) = 2x + 2 what would f(x)=20a. 20b. 10c. 9d. 8​
8.1.26 Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. x2 + 1 - 2x Write the polynomial in standard for
wuts 2 times 2 (no links)
Why did the embassy in Iran get taken hostage? Because the United States let the Iranian ruler get cancer treatments in the United States Because they were told
A neighborhood in Shiloh is building a treehouse. It has a rectangle floor of 6 ft by 4 ft. What is the area of the tree house floor?