y^2-42=-0

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Solution for y^2-42=-0 equation: 


Simplifying
y2 + -42 = 0

Reorder the terms:
-42 + y2 = 0

Solving
-42 + y2 = 0

Solving for variable 'y'.

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

Add '42' to each side of the equation.
-42 + 42 + y2 = 0 + 42

Combine like terms: -42 + 42 = 0
0 + y2 = 0 + 42
y2 = 0 + 42

Combine like terms: 0 + 42 = 42
y2 = 42

Simplifying
y2 = 42

Take the square root of each side:
y = {-6.480740698, 6.480740698}

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