3x^2-9x-8=-8

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Solution for 3x^2-9x-8=-8 equation:


Simplifying
3x2 + -9x + -8 = -8

Reorder the terms:
-8 + -9x + 3x2 = -8

Add '8' to each side of the equation.
-8 + -9x + 8 + 3x2 = -8 + 8

Reorder the terms:
-8 + 8 + -9x + 3x2 = -8 + 8

Combine like terms: -8 + 8 = 0
0 + -9x + 3x2 = -8 + 8
-9x + 3x2 = -8 + 8

Combine like terms: -8 + 8 = 0
-9x + 3x2 = 0

Solving
-9x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-3 + x) = 0

Ignore the factor 3.

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 '(-3 + x)' equal to zero and attempt to solve: Simplifying -3 + x = 0 Solving -3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + x = 0 + 3 x = 0 + 3 Combine like terms: 0 + 3 = 3 x = 3 Simplifying x = 3

Solution

x = {0, 3}

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