0
Anonymous
-57
Maeve Christiansen ∙
Chat with our AI personalities
1. x+y=-3 (or, x = -y-3)
2. x*y=-54
Use equation 1 to substitute for x in equation 2:
(-y-3)*y = -54
y2+3y = 54
y2 + 3y - 54 = 0
Factor&solve:
(y+9)(y-6)=0
y = {-9,6}
(x,y)={(6,-9),(-9,6)}
6 & -9
Wiki User
-3 and -3
-21
9
-177