Question

find zeroe of x²-2x-7=0​

Answer 1

Answer:

1 + 2√2, 1 - 2√2

Step-by-step explanation:

I am using the quadratic formula method,

D = b²-4ac = 4 - 4(-7) = 4 + 28 = 32

x = (-b +/- √D)/2a = (2 +/- √32)/2 = (2 +/- 4√2)/2

x = 1 + 2√2, 1 - 2√2

Brainliest pleaseeee