3a^2+6a-2a-4=0

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Solution for 3a^2+6a-2a-4=0 equation:


Simplifying
3a2 + 6a + -2a + -4 = 0

Reorder the terms:
-4 + 6a + -2a + 3a2 = 0

Combine like terms: 6a + -2a = 4a
-4 + 4a + 3a2 = 0

Solving
-4 + 4a + 3a2 = 0

Solving for variable 'a'.

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

Subproblem 1

Set the factor '(-2 + -1a)' equal to zero and attempt to solve: Simplifying -2 + -1a = 0 Solving -2 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1a = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1a = 0 + 2 -1a = 0 + 2 Combine like terms: 0 + 2 = 2 -1a = 2 Divide each side by '-1'. a = -2 Simplifying a = -2

Subproblem 2

Set the factor '(2 + -3a)' equal to zero and attempt to solve: Simplifying 2 + -3a = 0 Solving 2 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -3a = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3a = 0 + -2 -3a = 0 + -2 Combine like terms: 0 + -2 = -2 -3a = -2 Divide each side by '-3'. a = 0.6666666667 Simplifying a = 0.6666666667

Solution

a = {-2, 0.6666666667}

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