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Simplifying
-6y2 + 54 = 0
Reorder the terms:
54 + -6y2 = 0
Solving
54 + -6y2 = 0
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '-54' to each side of the equation.
54 + -54 + -6y2 = 0 + -54
Combine like terms: 54 + -54 = 0
0 + -6y2 = 0 + -54
-6y2 = 0 + -54
Combine like terms: 0 + -54 = -54
-6y2 = -54
Divide each side by '-6'.
y2 = 9
Simplifying
y2 = 9
Take the square root of each side:
y = {-3, 3}
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