y*y+16=8y

Solution for y*y+16=8y equation:

Simplifying
y * y + 16 = 8y

Multiply y * y
y2 + 16 = 8y

Reorder the terms:
16 + y2 = 8y

Solving
16 + y2 = 8y

Solving for variable 'y'.

Reorder the terms:
16 + -8y + y2 = 8y + -8y

Combine like terms: 8y + -8y = 0
16 + -8y + y2 = 0

Factor a trinomial.
(4 + -1y)(4 + -1y) = 0

Subproblem 1
Set the factor '(4 + -1y)' equal to zero and attempt to solve:

Simplifying
4 + -1y = 0

Solving
4 + -1y = 0

Move all terms containing y to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -1y = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1y = 0 + -4
-1y = 0 + -4

Combine like terms: 0 + -4 = -4
-1y = -4

Divide each side by '-1'.
y = 4

Simplifying
y = 4
Subproblem 2
Set the factor '(4 + -1y)' equal to zero and attempt to solve:

Simplifying
4 + -1y = 0

Solving
4 + -1y = 0

Move all terms containing y to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -1y = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1y = 0 + -4
-1y = 0 + -4

Combine like terms: 0 + -4 = -4
-1y = -4

Divide each side by '-1'.
y = 4

Simplifying
y = 4
Solution
y = {4, 4}