a^2-80=2a

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Solution for a^2-80=2a equation:


Simplifying
a2 + -80 = 2a

Reorder the terms:
-80 + a2 = 2a

Solving
-80 + a2 = 2a

Solving for variable 'a'.

Reorder the terms:
-80 + -2a + a2 = 2a + -2a

Combine like terms: 2a + -2a = 0
-80 + -2a + a2 = 0

Factor a trinomial.
(-8 + -1a)(10 + -1a) = 0

Subproblem 1

Set the factor '(-8 + -1a)' equal to zero and attempt to solve: Simplifying -8 + -1a = 0 Solving -8 + -1a = 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 + -1a = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1a = 0 + 8 -1a = 0 + 8 Combine like terms: 0 + 8 = 8 -1a = 8 Divide each side by '-1'. a = -8 Simplifying a = -8

Subproblem 2

Set the factor '(10 + -1a)' equal to zero and attempt to solve: Simplifying 10 + -1a = 0 Solving 10 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1a = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1a = 0 + -10 -1a = 0 + -10 Combine like terms: 0 + -10 = -10 -1a = -10 Divide each side by '-1'. a = 10 Simplifying a = 10

Solution

a = {-8, 10}

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