9Y^2-169=

Solution for 9Y^2-169= equation:

Simplifying
9Y2 + -169 = 0

Reorder the terms:
-169 + 9Y2 = 0

Solving
-169 + 9Y2 = 0

Solving for variable 'Y'.

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

Add '169' to each side of the equation.
-169 + 169 + 9Y2 = 0 + 169

Combine like terms: -169 + 169 = 0
0 + 9Y2 = 0 + 169
9Y2 = 0 + 169

Combine like terms: 0 + 169 = 169
9Y2 = 169

Divide each side by '9'.
Y2 = 18.77777778

Simplifying
Y2 = 18.77777778

Take the square root of each side:
Y = {-4.333333334, 4.333333334}