5k^2+20k+100=100

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Solution for 5k^2+20k+100=100 equation:


Simplifying
5k2 + 20k + 100 = 100

Reorder the terms:
100 + 20k + 5k2 = 100

Add '-100' to each side of the equation.
100 + 20k + -100 + 5k2 = 100 + -100

Reorder the terms:
100 + -100 + 20k + 5k2 = 100 + -100

Combine like terms: 100 + -100 = 0
0 + 20k + 5k2 = 100 + -100
20k + 5k2 = 100 + -100

Combine like terms: 100 + -100 = 0
20k + 5k2 = 0

Solving
20k + 5k2 = 0

Solving for variable 'k'.

Factor out the Greatest Common Factor (GCF), '5k'.
5k(4 + k) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'k' equal to zero and attempt to solve: Simplifying k = 0 Solving k = 0 Move all terms containing k to the left, all other terms to the right. Simplifying k = 0

Subproblem 2

Set the factor '(4 + k)' equal to zero and attempt to solve: Simplifying 4 + k = 0 Solving 4 + k = 0 Move all terms containing k to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + k = 0 + -4 Combine like terms: 4 + -4 = 0 0 + k = 0 + -4 k = 0 + -4 Combine like terms: 0 + -4 = -4 k = -4 Simplifying k = -4

Solution

k = {0, -4}

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