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Simplifying
y2 + -11 + y2 = 0
Reorder the terms:
-11 + y2 + y2 = 0
Combine like terms: y2 + y2 = 2y2
-11 + 2y2 = 0
Solving
-11 + 2y2 = 0
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '11' to each side of the equation.
-11 + 11 + 2y2 = 0 + 11
Combine like terms: -11 + 11 = 0
0 + 2y2 = 0 + 11
2y2 = 0 + 11
Combine like terms: 0 + 11 = 11
2y2 = 11
Divide each side by '2'.
y2 = 5.5
Simplifying
y2 = 5.5
Take the square root of each side:
y = {-2.34520788, 2.34520788}
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