5x^2-80x=3x^2

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Solution for 5x^2-80x=3x^2 equation:


Simplifying
5x2 + -80x = 3x2

Reorder the terms:
-80x + 5x2 = 3x2

Solving
-80x + 5x2 = 3x2

Solving for variable 'x'.

Combine like terms: 5x2 + -3x2 = 2x2
-80x + 2x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-80x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-40 + 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 '(-40 + x)' equal to zero and attempt to solve: Simplifying -40 + x = 0 Solving -40 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '40' to each side of the equation. -40 + 40 + x = 0 + 40 Combine like terms: -40 + 40 = 0 0 + x = 0 + 40 x = 0 + 40 Combine like terms: 0 + 40 = 40 x = 40 Simplifying x = 40

Solution

x = {0, 40}

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