Y^2+28=100

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Solution for Y^2+28=100 equation: 


Simplifying
Y2 + 28 = 100

Reorder the terms:
28 + Y2 = 100

Solving
28 + Y2 = 100

Solving for variable 'Y'.

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

Add '-28' to each side of the equation.
28 + -28 + Y2 = 100 + -28

Combine like terms: 28 + -28 = 0
0 + Y2 = 100 + -28
Y2 = 100 + -28

Combine like terms: 100 + -28 = 72
Y2 = 72

Simplifying
Y2 = 72

Take the square root of each side:
Y = {-8.485281374, 8.485281374}

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