Hello,
x²-5x-2=0
Δ=5²+4*2=33
==>x= (5-√33)/2 or x=(5+√33)/2
Step-by-step explanation:

value of x is 7
hope this answer helps you dear....take care!
Answer:
2x+1+x+1+x+x+2+x+x+1+2x+1+x+1+x+2+x+1
= 12x+10
Answer:
the answer is 20. 10+4+6 is 20
Step-by-step explanation: