y^2+y-72=y^2

Solution for y^2+y-72=y^2 equation:

Simplifying
y2 + y + -72 = y2

Reorder the terms:
-72 + y + y2 = y2

Add '-1y2' to each side of the equation.
-72 + y + y2 + -1y2 = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
-72 + y + 0 = y2 + -1y2
-72 + y = y2 + -1y2

Combine like terms: y2 + -1y2 = 0
-72 + y = 0

Solving
-72 + y = 0

Solving for variable 'y'.

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

Add '72' to each side of the equation.
-72 + 72 + y = 0 + 72

Combine like terms: -72 + 72 = 0
0 + y = 0 + 72
y = 0 + 72

Combine like terms: 0 + 72 = 72
y = 72

Simplifying
y = 72