Answer:
x=2
Step-by-step explanation:
i took the quiz
Answer:

Step-by-step explanation:

Answer: x2 + 12x
Step-by-step explanation:
Answer:
Thanks you
Step-by-step explanation:
Answer:
x has no real solution
Step-by-step explanation:
Our equation is qudratic equation so the method we will follow to solve it is using the dicriminant :
- Let Δ be the dicriminant
- a=1
- b=2
- c=9
- Δ= 2²-4*1*9 =4-36=-32
- we notice that Δ≤0⇒x has no real solution