3a^2-4=a

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Solution for 3a^2-4=a equation:


Simplifying
3a2 + -4 = a

Reorder the terms:
-4 + 3a2 = a

Solving
-4 + 3a2 = a

Solving for variable 'a'.

Reorder the terms:
-4 + -1a + 3a2 = a + -1a

Combine like terms: a + -1a = 0
-4 + -1a + 3a2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

a = {-1, 1.333333333}

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