wait nvm my idea was wrong
Answer:
x^2-2x-4=0
Δ=2^2-4*1*(-4)
Δ=4+16=20
VΔ=2V5
x1= (2+2V5)/2=1+V5
the answer is D
Step-by-step explanation:
(5 , 3.8)
Hope this help! :)
english plz !!!!!!!!!!
