3a^2-16=-2a

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Solution for 3a^2-16=-2a equation:


Simplifying
3a2 + -16 = -2a

Reorder the terms:
-16 + 3a2 = -2a

Solving
-16 + 3a2 = -2a

Solving for variable 'a'.

Reorder the terms:
-16 + 2a + 3a2 = -2a + 2a

Combine like terms: -2a + 2a = 0
-16 + 2a + 3a2 = 0

Factor a trinomial.
(-8 + -3a)(2 + -1a) = 0

Subproblem 1

Set the factor '(-8 + -3a)' equal to zero and attempt to solve: Simplifying -8 + -3a = 0 Solving -8 + -3a = 0 Move all terms containing a to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -3a = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -3a = 0 + 8 -3a = 0 + 8 Combine like terms: 0 + 8 = 8 -3a = 8 Divide each side by '-3'. a = -2.666666667 Simplifying a = -2.666666667

Subproblem 2

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

Solution

a = {-2.666666667, 2}

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