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Simplifying
-1089 = -9q2
Solving
-1089 = -9q2
Solving for variable 'q'.
Move all terms containing q to the left, all other terms to the right.
Add '9q2' to each side of the equation.
-1089 + 9q2 = -9q2 + 9q2
Combine like terms: -9q2 + 9q2 = 0
-1089 + 9q2 = 0
Add '1089' to each side of the equation.
-1089 + 1089 + 9q2 = 0 + 1089
Combine like terms: -1089 + 1089 = 0
0 + 9q2 = 0 + 1089
9q2 = 0 + 1089
Combine like terms: 0 + 1089 = 1089
9q2 = 1089
Divide each side by '9'.
q2 = 121
Simplifying
q2 = 121
Take the square root of each side:
q = {-11, 11}
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