Because there is no solution if any number divide by 0
Y^2 + 18y + 81 = 0
(y + 9)^2 = 0
y + 9 = 0
y = -9
17
This is gonna be confusing but this is how you solve stuff like this
8 x 8 = 64 15 x 15 = 225
64 + 225 = 289
Find the square root of 289
17
Answer:
5
Step-by-step explanation:
120/20=5
