Move everybody to one side
minus 5x+2 both sides
x^2-5x-2=0
use quadratic formula where
if you have
ax^2+bx+c=0
x=

1x^2-5x-2=0
a=1
b=-5
c=-2
x=

x=

x=

aprox
x=5.372281323 or -0.3722813233
Answer:
50%
Step-by-step explanation:
3450 - 2300 = 1150
1150/ 2300 × 100 = 50
When writing the equation keep in mind that 7 + x is said as a term that is squared so it has to be squared while it's still together; (7 + x)².
Answer:
Option D, 16/21
Step-by-step explanation:
<u>Step 1: Add all of them together</u>
5 + 7 + 9
21
<u>Step 2: Figure out how much of the plants are medicinal</u>
7 + 9
16
<u>Step 3: Figure out the probability </u>
16/21
Answer: Option D, 16/21