The answer would be 2x^2+2x-4
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:
Answer:
The total number of Green team members is 160.
Step-by-step explanation:
Given 90% of the total members present at the meeting which is 144.
Let the total number of members be x.

Hence we can say that, The total number of Green team members is 160.
4.133 kilometers
2.063 + 2.07 = 4.133