a^2-7a=-6

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Solution for a^2-7a=-6 equation:


Simplifying
a2 + -7a = -6

Reorder the terms:
-7a + a2 = -6

Solving
-7a + a2 = -6

Solving for variable 'a'.

Reorder the terms:
6 + -7a + a2 = -6 + 6

Combine like terms: -6 + 6 = 0
6 + -7a + a2 = 0

Factor a trinomial.
(1 + -1a)(6 + -1a) = 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 '(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 = {1, 6}

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