Question

IF X=-2 AND X^2+Y^2+3XY=-5, THEN FIND

Answer 1

Answer:

y=3

Step-by-step explanation:

given,

x=-2

find y

X^2+Y^2+3XY=-5

put the value of x

-2*-2+y^2+3*-2y=-5

4+y^2-6y=-5

y^2-6y+9=0

y^2-3y-3y+9=0

y(y-3)-3(y-3)=0

(y-3)(y-3)=0

y=3