0=-x^2-15x-14

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Solution for 0=-x^2-15x-14 equation:


Simplifying
0 = -1x2 + -15x + -14

Reorder the terms:
0 = -14 + -15x + -1x2

Solving
0 = -14 + -15x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + 14 = 14
14 + 15x + x2 = -14 + -15x + -1x2 + 14 + 15x + x2

Reorder the terms:
14 + 15x + x2 = -14 + 14 + -15x + 15x + -1x2 + x2

Combine like terms: -14 + 14 = 0
14 + 15x + x2 = 0 + -15x + 15x + -1x2 + x2
14 + 15x + x2 = -15x + 15x + -1x2 + x2

Combine like terms: -15x + 15x = 0
14 + 15x + x2 = 0 + -1x2 + x2
14 + 15x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
14 + 15x + x2 = 0

Factor a trinomial.
(14 + x)(1 + x) = 0

Subproblem 1

Set the factor '(14 + x)' equal to zero and attempt to solve: Simplifying 14 + x = 0 Solving 14 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + x = 0 + -14 Combine like terms: 14 + -14 = 0 0 + x = 0 + -14 x = 0 + -14 Combine like terms: 0 + -14 = -14 x = -14 Simplifying x = -14

Subproblem 2

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

Solution

x = {-14, -1}

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