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Simplifying
-2k2 + -3 = -75
Reorder the terms:
-3 + -2k2 = -75
Solving
-3 + -2k2 = -75
Solving for variable 'k'.
Move all terms containing k to the left, all other terms to the right.
Add '3' to each side of the equation.
-3 + 3 + -2k2 = -75 + 3
Combine like terms: -3 + 3 = 0
0 + -2k2 = -75 + 3
-2k2 = -75 + 3
Combine like terms: -75 + 3 = -72
-2k2 = -72
Divide each side by '-2'.
k2 = 36
Simplifying
k2 = 36
Take the square root of each side:
k = {-6, 6}
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