y squared + 9 = -9y
This is a quadratic equation
move the -9y over to the other side
y^2+9=-9y
y^2+9y+9= 0
then either factor or use the quadratic equation to find the solution.
move the -9y over to the other side
y^2+9=-9y
y^2+9y+9= 0
then either factor or use the quadratic equation to find the solution.