5k^2-85k=-350

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Solution for 5k^2-85k=-350 equation:


Simplifying
5k2 + -85k = -350

Reorder the terms:
-85k + 5k2 = -350

Solving
-85k + 5k2 = -350

Solving for variable 'k'.

Reorder the terms:
350 + -85k + 5k2 = -350 + 350

Combine like terms: -350 + 350 = 0
350 + -85k + 5k2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(70 + -17k + k2) = 0

Factor a trinomial.
5((7 + -1k)(10 + -1k)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(7 + -1k)' equal to zero and attempt to solve: Simplifying 7 + -1k = 0 Solving 7 + -1k = 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 + -1k = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1k = 0 + -7 -1k = 0 + -7 Combine like terms: 0 + -7 = -7 -1k = -7 Divide each side by '-1'. k = 7 Simplifying k = 7

Subproblem 2

Set the factor '(10 + -1k)' equal to zero and attempt to solve: Simplifying 10 + -1k = 0 Solving 10 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1k = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1k = 0 + -10 -1k = 0 + -10 Combine like terms: 0 + -10 = -10 -1k = -10 Divide each side by '-1'. k = 10 Simplifying k = 10

Solution

k = {7, 10}

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