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Simplifying a2 + -13a = 14 Reorder the terms: -13a + a2 = 14 Solving -13a + a2 = 14 Solving for variable 'a'. Reorder the terms: -14 + -13a + a2 = 14 + -14 Combine like terms: 14 + -14 = 0 -14 + -13a + a2 = 0 Factor a trinomial. (-1 + -1a)(14 + -1a) = 0Subproblem 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 = -1Subproblem 2
Set the factor '(14 + -1a)' equal to zero and attempt to solve: Simplifying 14 + -1a = 0 Solving 14 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -1a = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -1a = 0 + -14 -1a = 0 + -14 Combine like terms: 0 + -14 = -14 -1a = -14 Divide each side by '-1'. a = 14 Simplifying a = 14Solution
a = {-1, 14}
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