Answer:
a = 3
b = 5
c = -10
Step-by-step explanation:
ax^2+bx+c
Order summands
2
Subtract
5
.
1
5.1
from both sides of the equation
3
Simplify
4
Divide both sides of the equation by the same term
1)12²+9²=225
X=15km
2)12²+x²=13²
x²= 169-144
x²=25
x=5mi
