60x-x^2=120x-3x^2

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Solution for 60x-x^2=120x-3x^2 equation:


Simplifying
60x + -1x2 = 120x + -3x2

Solving
60x + -1x2 = 120x + -3x2

Solving for variable 'x'.

Reorder the terms:
60x + -120x + -1x2 + 3x2 = 120x + -3x2 + -120x + 3x2

Combine like terms: 60x + -120x = -60x
-60x + -1x2 + 3x2 = 120x + -3x2 + -120x + 3x2

Combine like terms: -1x2 + 3x2 = 2x2
-60x + 2x2 = 120x + -3x2 + -120x + 3x2

Reorder the terms:
-60x + 2x2 = 120x + -120x + -3x2 + 3x2

Combine like terms: 120x + -120x = 0
-60x + 2x2 = 0 + -3x2 + 3x2
-60x + 2x2 = -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
-60x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-30 + x) = 0

Ignore the factor 2.

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 '(-30 + x)' equal to zero and attempt to solve: Simplifying -30 + x = 0 Solving -30 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + x = 0 + 30 Combine like terms: -30 + 30 = 0 0 + x = 0 + 30 x = 0 + 30 Combine like terms: 0 + 30 = 30 x = 30 Simplifying x = 30

Solution

x = {0, 30}

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