a^2+9=6a

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Solution for a^2+9=6a equation:


Simplifying
a2 + 9 = 6a

Reorder the terms:
9 + a2 = 6a

Solving
9 + a2 = 6a

Solving for variable 'a'.

Reorder the terms:
9 + -6a + a2 = 6a + -6a

Combine like terms: 6a + -6a = 0
9 + -6a + a2 = 0

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

Subproblem 1

Set the factor '(3 + -1a)' equal to zero and attempt to solve: Simplifying 3 + -1a = 0 Solving 3 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1a = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1a = 0 + -3 -1a = 0 + -3 Combine like terms: 0 + -3 = -3 -1a = -3 Divide each side by '-1'. a = 3 Simplifying a = 3

Subproblem 2

Set the factor '(3 + -1a)' equal to zero and attempt to solve: Simplifying 3 + -1a = 0 Solving 3 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1a = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1a = 0 + -3 -1a = 0 + -3 Combine like terms: 0 + -3 = -3 -1a = -3 Divide each side by '-1'. a = 3 Simplifying a = 3

Solution

a = {3, 3}

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