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Simplifying
9 + -121y2 = 0
Solving
9 + -121y2 = 0
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '-9' to each side of the equation.
9 + -9 + -121y2 = 0 + -9
Combine like terms: 9 + -9 = 0
0 + -121y2 = 0 + -9
-121y2 = 0 + -9
Combine like terms: 0 + -9 = -9
-121y2 = -9
Divide each side by '-121'.
y2 = 0.07438016529
Simplifying
y2 = 0.07438016529
Take the square root of each side:
y = {-0.272727273, 0.272727273}
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