Find XY with 3x ^ 2 + XY + y = 15

Find XY with 3x ^ 2 + XY + y = 15

From 3x ^ 2 + XY + y = 15
3X^2+(X+1)Y=15
Y = (15-3x ^ 2) / (x + 1)
Since the denominator cannot be 0, then x is not equal to - 1
So the answer is: xy = (15x-3x & # 179;) / (x + 1), where x is not equal to - 1
Hope to help you.