15x=5x-x^2

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Solution for 15x=5x-x^2 equation:


Simplifying
15x = 5x + -1x2

Solving
15x = 5x + -1x2

Solving for variable 'x'.

Combine like terms: 15x + -5x = 10x
10x + x2 = 5x + -1x2 + -5x + x2

Reorder the terms:
10x + x2 = 5x + -5x + -1x2 + x2

Combine like terms: 5x + -5x = 0
10x + x2 = 0 + -1x2 + x2
10x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
10x + x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(10 + x) = 0

Subproblem 1

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

Subproblem 2

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

Solution

x = {0, -10}

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