Question

Please help someone!! Will mark brainliest answer

Answer 1

                     Answer:

x=1+√5 or x=1−√5

Step-by-step explanation:

Let's solve your equation step-by-step.

x2−2x−4=0

Step 1: Use quadratic formula with a=1, b=-2, c=-4.

x=

−b±√b2−4ac  

2a  

x=

−(−2)±√(−2)2−4(1)(−4)  

2(1)  

x=

2±√20  

2  

x=1+√5 or x=1−√5

Hope this helps!! :D Happy Tuesday!