4x^2-8x-5=-5

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Solution for 4x^2-8x-5=-5 equation:


Simplifying
4x2 + -8x + -5 = -5

Reorder the terms:
-5 + -8x + 4x2 = -5

Add '5' to each side of the equation.
-5 + -8x + 5 + 4x2 = -5 + 5

Reorder the terms:
-5 + 5 + -8x + 4x2 = -5 + 5

Combine like terms: -5 + 5 = 0
0 + -8x + 4x2 = -5 + 5
-8x + 4x2 = -5 + 5

Combine like terms: -5 + 5 = 0
-8x + 4x2 = 0

Solving
-8x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4x'.
4x(-2 + 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 '(-2 + x)' equal to zero and attempt to solve: Simplifying -2 + x = 0 Solving -2 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + x = 0 + 2 x = 0 + 2 Combine like terms: 0 + 2 = 2 x = 2 Simplifying x = 2

Solution

x = {0, 2}

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