Answer:
There is 1 solution
Explanation:
y = -3 (x+1) ^2
Using the zero product property
0 = -3 (x+1) ^2
Divide by -3
0 = (x+1) ^2
Take the square root of each side
sqrt(0) = sqrt( (x+1) ^2)
0 = x+1
Subtract 1 from each side
-1 =x
There is 1 solution