2x^2=-2x^2+40x

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Solution for 2x^2=-2x^2+40x equation:


Simplifying
2x2 = -2x2 + 40x

Reorder the terms:
2x2 = 40x + -2x2

Solving
2x2 = 40x + -2x2

Solving for variable 'x'.

Reorder the terms:
-40x + 2x2 + 2x2 = 40x + -2x2 + -40x + 2x2

Combine like terms: 2x2 + 2x2 = 4x2
-40x + 4x2 = 40x + -2x2 + -40x + 2x2

Reorder the terms:
-40x + 4x2 = 40x + -40x + -2x2 + 2x2

Combine like terms: 40x + -40x = 0
-40x + 4x2 = 0 + -2x2 + 2x2
-40x + 4x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-40x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4x'.
4x(-10 + x) = 0

Ignore the factor 4.

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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