13x^2-16x-84=0

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Solution for 13x^2-16x-84=0 equation:


Simplifying
13x2 + -16x + -84 = 0

Reorder the terms:
-84 + -16x + 13x2 = 0

Solving
-84 + -16x + 13x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-2 + -1x)(42 + -13x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(42 + -13x)' equal to zero and attempt to solve: Simplifying 42 + -13x = 0 Solving 42 + -13x = 0 Move all terms containing x to the left, all other terms to the right. Add '-42' to each side of the equation. 42 + -42 + -13x = 0 + -42 Combine like terms: 42 + -42 = 0 0 + -13x = 0 + -42 -13x = 0 + -42 Combine like terms: 0 + -42 = -42 -13x = -42 Divide each side by '-13'. x = 3.230769231 Simplifying x = 3.230769231

Solution

x = {-2, 3.230769231}

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