a^2-56a+784=0

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Solution for a^2-56a+784=0 equation:


Simplifying
a2 + -56a + 784 = 0

Reorder the terms:
784 + -56a + a2 = 0

Solving
784 + -56a + a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(28 + -1a)(28 + -1a) = 0

Subproblem 1

Set the factor '(28 + -1a)' equal to zero and attempt to solve: Simplifying 28 + -1a = 0 Solving 28 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + -1a = 0 + -28 Combine like terms: 28 + -28 = 0 0 + -1a = 0 + -28 -1a = 0 + -28 Combine like terms: 0 + -28 = -28 -1a = -28 Divide each side by '-1'. a = 28 Simplifying a = 28

Subproblem 2

Set the factor '(28 + -1a)' equal to zero and attempt to solve: Simplifying 28 + -1a = 0 Solving 28 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + -1a = 0 + -28 Combine like terms: 28 + -28 = 0 0 + -1a = 0 + -28 -1a = 0 + -28 Combine like terms: 0 + -28 = -28 -1a = -28 Divide each side by '-1'. a = 28 Simplifying a = 28

Solution

a = {28, 28}

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