(5k-7)(k-2)=0

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Solution for (5k-7)(k-2)=0 equation:


Simplifying
(5k + -7)(k + -2) = 0

Reorder the terms:
(-7 + 5k)(k + -2) = 0

Reorder the terms:
(-7 + 5k)(-2 + k) = 0

Multiply (-7 + 5k) * (-2 + k)
(-7(-2 + k) + 5k * (-2 + k)) = 0
((-2 * -7 + k * -7) + 5k * (-2 + k)) = 0
((14 + -7k) + 5k * (-2 + k)) = 0
(14 + -7k + (-2 * 5k + k * 5k)) = 0
(14 + -7k + (-10k + 5k2)) = 0

Combine like terms: -7k + -10k = -17k
(14 + -17k + 5k2) = 0

Solving
14 + -17k + 5k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(7 + -5k)(2 + -1k) = 0

Subproblem 1

Set the factor '(7 + -5k)' equal to zero and attempt to solve: Simplifying 7 + -5k = 0 Solving 7 + -5k = 0 Move all terms containing k to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -5k = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -5k = 0 + -7 -5k = 0 + -7 Combine like terms: 0 + -7 = -7 -5k = -7 Divide each side by '-5'. k = 1.4 Simplifying k = 1.4

Subproblem 2

Set the factor '(2 + -1k)' equal to zero and attempt to solve: Simplifying 2 + -1k = 0 Solving 2 + -1k = 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 + -1k = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1k = 0 + -2 -1k = 0 + -2 Combine like terms: 0 + -2 = -2 -1k = -2 Divide each side by '-1'. k = 2 Simplifying k = 2

Solution

k = {1.4, 2}

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