a^2-30=a

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Solution for a^2-30=a equation:


Simplifying
a2 + -30 = a

Reorder the terms:
-30 + a2 = a

Solving
-30 + a2 = a

Solving for variable 'a'.

Reorder the terms:
-30 + -1a + a2 = a + -1a

Combine like terms: a + -1a = 0
-30 + -1a + a2 = 0

Factor a trinomial.
(-5 + -1a)(6 + -1a) = 0

Subproblem 1

Set the factor '(-5 + -1a)' equal to zero and attempt to solve: Simplifying -5 + -1a = 0 Solving -5 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1a = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1a = 0 + 5 -1a = 0 + 5 Combine like terms: 0 + 5 = 5 -1a = 5 Divide each side by '-1'. a = -5 Simplifying a = -5

Subproblem 2

Set the factor '(6 + -1a)' equal to zero and attempt to solve: Simplifying 6 + -1a = 0 Solving 6 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1a = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1a = 0 + -6 -1a = 0 + -6 Combine like terms: 0 + -6 = -6 -1a = -6 Divide each side by '-1'. a = 6 Simplifying a = 6

Solution

a = {-5, 6}

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