Question

Solve the equation x²-4x-1=0 and write the answer correct to 3 decimal places.​

Answer 1

Answer:

2.236

Step-by-step explanation:

x² - 4x -1 = 0

x² - 4x = 0 + 1

x² - 4x = 1 Which Means x² = 5x

x² = 5x

x = 2.2360679775

And Write 3 Decimal Places

Ans. 2.236