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!
