Answer:
(x+2)^{2} +5(x+2)-6=0
Let
u=(x+2)
Substitute in the expression
(u)^{2} +5(u)-6=0
therefore
the answer is
(u)^{2} +5(u)-6=0 is equivalent to (x+2)^{2} +5(x+2)-6=0
brainly.com/question/6501456
This simplifies to 10x - 4
Y=2 maybe not sure though
That means she is in heat or mating, you should probably take her to the vet