7k^2-54k-16=

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Solution for 7k^2-54k-16= equation:


Simplifying
7k2 + -54k + -16 = 0

Reorder the terms:
-16 + -54k + 7k2 = 0

Solving
-16 + -54k + 7k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(-2 + -7k)(8 + -1k) = 0

Subproblem 1

Set the factor '(-2 + -7k)' equal to zero and attempt to solve: Simplifying -2 + -7k = 0 Solving -2 + -7k = 0 Move all terms containing k to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -7k = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -7k = 0 + 2 -7k = 0 + 2 Combine like terms: 0 + 2 = 2 -7k = 2 Divide each side by '-7'. k = -0.2857142857 Simplifying k = -0.2857142857

Subproblem 2

Set the factor '(8 + -1k)' equal to zero and attempt to solve: Simplifying 8 + -1k = 0 Solving 8 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1k = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1k = 0 + -8 -1k = 0 + -8 Combine like terms: 0 + -8 = -8 -1k = -8 Divide each side by '-1'. k = 8 Simplifying k = 8

Solution

k = {-0.2857142857, 8}

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