25k^2-9=

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Solution for 25k^2-9= equation: 


Simplifying
25k2 + -9 = 0

Reorder the terms:
-9 + 25k2 = 0

Solving
-9 + 25k2 = 0

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 25k2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 25k2 = 0 + 9
25k2 = 0 + 9

Combine like terms: 0 + 9 = 9
25k2 = 9

Divide each side by '25'.
k2 = 0.36

Simplifying
k2 = 0.36

Take the square root of each side:
k = {-0.6, 0.6}

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