3x^2=2x^2+20x

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Solution for 3x^2=2x^2+20x equation:


Simplifying
3x2 = 2x2 + 20x

Reorder the terms:
3x2 = 20x + 2x2

Solving
3x2 = 20x + 2x2

Solving for variable 'x'.

Reorder the terms:
-20x + 3x2 + -2x2 = 20x + 2x2 + -20x + -2x2

Combine like terms: 3x2 + -2x2 = 1x2
-20x + 1x2 = 20x + 2x2 + -20x + -2x2

Reorder the terms:
-20x + 1x2 = 20x + -20x + 2x2 + -2x2

Combine like terms: 20x + -20x = 0
-20x + 1x2 = 0 + 2x2 + -2x2
-20x + 1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-20x + 1x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-20 + 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 '(-20 + x)' equal to zero and attempt to solve: Simplifying -20 + x = 0 Solving -20 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + x = 0 + 20 Combine like terms: -20 + 20 = 0 0 + x = 0 + 20 x = 0 + 20 Combine like terms: 0 + 20 = 20 x = 20 Simplifying x = 20

Solution

x = {0, 20}

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