8x^2-2x-18=-18

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Solution for 8x^2-2x-18=-18 equation:


Simplifying
8x2 + -2x + -18 = -18

Reorder the terms:
-18 + -2x + 8x2 = -18

Add '18' to each side of the equation.
-18 + -2x + 18 + 8x2 = -18 + 18

Reorder the terms:
-18 + 18 + -2x + 8x2 = -18 + 18

Combine like terms: -18 + 18 = 0
0 + -2x + 8x2 = -18 + 18
-2x + 8x2 = -18 + 18

Combine like terms: -18 + 18 = 0
-2x + 8x2 = 0

Solving
-2x + 8x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-1 + 4x) = 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 '(-1 + 4x)' equal to zero and attempt to solve: Simplifying -1 + 4x = 0 Solving -1 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + 4x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 4x = 0 + 1 4x = 0 + 1 Combine like terms: 0 + 1 = 1 4x = 1 Divide each side by '4'. x = 0.25 Simplifying x = 0.25

Solution

x = {0, 0.25}

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