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Simplifying
-5k2 + -1 = -126
Reorder the terms:
-1 + -5k2 = -126
Solving
-1 + -5k2 = -126
Solving for variable 'k'.
Move all terms containing k to the left, all other terms to the right.
Add '1' to each side of the equation.
-1 + 1 + -5k2 = -126 + 1
Combine like terms: -1 + 1 = 0
0 + -5k2 = -126 + 1
-5k2 = -126 + 1
Combine like terms: -126 + 1 = -125
-5k2 = -125
Divide each side by '-5'.
k2 = 25
Simplifying
k2 = 25
Take the square root of each side:
k = {-5, 5}
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