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Simplifying
144 + -16y2 = 0
Solving
144 + -16y2 = 0
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '-144' to each side of the equation.
144 + -144 + -16y2 = 0 + -144
Combine like terms: 144 + -144 = 0
0 + -16y2 = 0 + -144
-16y2 = 0 + -144
Combine like terms: 0 + -144 = -144
-16y2 = -144
Divide each side by '-16'.
y2 = 9
Simplifying
y2 = 9
Take the square root of each side:
y = {-3, 3}
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