3x^2+5x+8=8

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Solution for 3x^2+5x+8=8 equation: 


Simplifying
3x2 + 5x + 8 = 8

Reorder the terms:
8 + 5x + 3x2 = 8

Add '-8' to each side of the equation.
8 + 5x + -8 + 3x2 = 8 + -8

Reorder the terms:
8 + -8 + 5x + 3x2 = 8 + -8

Combine like terms: 8 + -8 = 0
0 + 5x + 3x2 = 8 + -8
5x + 3x2 = 8 + -8

Combine like terms: 8 + -8 = 0
5x + 3x2 = 0

Solving
5x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(5 + 3x) = 0


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 '(5 + 3x)' equal to zero and attempt to solve:

Simplifying
5 + 3x = 0

Solving
5 + 3x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + 3x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 3x = 0 + -5
3x = 0 + -5

Combine like terms: 0 + -5 = -5
3x = -5

Divide each side by '3'.
x = -1.666666667

Simplifying
x = -1.666666667
Solution
x = {0, -1.666666667}

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