Answer:
r = −
2 n = -5
Step-by-step explanation:
Move 5 to the left side of the equation by subtracting it from both sides.
Subtract 5 from 15 Factor
n
2
+
7
n
+
10 using the AC method.Set n
+
2 equal to 0 and solve for n
.Set n
+
5 equal to 0 and solve for n
.
