-8k^2-13=-45

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Solution for -8k^2-13=-45 equation: 


Simplifying
-8k2 + -13 = -45

Reorder the terms:
-13 + -8k2 = -45

Solving
-13 + -8k2 = -45

Solving for variable 'k'.

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

Add '13' to each side of the equation.
-13 + 13 + -8k2 = -45 + 13

Combine like terms: -13 + 13 = 0
0 + -8k2 = -45 + 13
-8k2 = -45 + 13

Combine like terms: -45 + 13 = -32
-8k2 = -32

Divide each side by '-8'.
k2 = 4

Simplifying
k2 = 4

Take the square root of each side:
k = {-2, 2}

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