y^2+144-400=0

Solution for y^2+144-400=0 equation:

Simplifying
y2 + 144 + -400 = 0

Reorder the terms:
144 + -400 + y2 = 0

Combine like terms: 144 + -400 = -256
-256 + y2 = 0

Solving
-256 + y2 = 0

Solving for variable 'y'.

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

Add '256' to each side of the equation.
-256 + 256 + y2 = 0 + 256

Combine like terms: -256 + 256 = 0
0 + y2 = 0 + 256
y2 = 0 + 256

Combine like terms: 0 + 256 = 256
y2 = 256

Simplifying
y2 = 256

Take the square root of each side:
y = {-16, 16}