0=3x^2+10x+8

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Solution for 0=3x^2+10x+8 equation:


Simplifying
0 = 3x2 + 10x + 8

Reorder the terms:
0 = 8 + 10x + 3x2

Solving
0 = 8 + 10x + 3x2

Solving for variable 'x'.

Combine like terms: 0 + -8 = -8
-8 + -10x + -3x2 = 8 + 10x + 3x2 + -8 + -10x + -3x2

Reorder the terms:
-8 + -10x + -3x2 = 8 + -8 + 10x + -10x + 3x2 + -3x2

Combine like terms: 8 + -8 = 0
-8 + -10x + -3x2 = 0 + 10x + -10x + 3x2 + -3x2
-8 + -10x + -3x2 = 10x + -10x + 3x2 + -3x2

Combine like terms: 10x + -10x = 0
-8 + -10x + -3x2 = 0 + 3x2 + -3x2
-8 + -10x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-8 + -10x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(8 + 10x + 3x2) = 0

Factor a trinomial.
-1((2 + x)(4 + 3x)) = 0

Ignore the factor -1.

Subproblem 1

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

Subproblem 2

Set the factor '(4 + 3x)' equal to zero and attempt to solve: Simplifying 4 + 3x = 0 Solving 4 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3x = 0 + -4 3x = 0 + -4 Combine like terms: 0 + -4 = -4 3x = -4 Divide each side by '3'. x = -1.333333333 Simplifying x = -1.333333333

Solution

x = {-2, -1.333333333}

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