3x^2-16=13x

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Solution for 3x^2-16=13x equation:


Simplifying
3x2 + -16 = 13x

Reorder the terms:
-16 + 3x2 = 13x

Solving
-16 + 3x2 = 13x

Solving for variable 'x'.

Reorder the terms:
-16 + -13x + 3x2 = 13x + -13x

Combine like terms: 13x + -13x = 0
-16 + -13x + 3x2 = 0

Factor a trinomial.
(-1 + -1x)(16 + -3x) = 0

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 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 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(16 + -3x)' equal to zero and attempt to solve: Simplifying 16 + -3x = 0 Solving 16 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + -3x = 0 + -16 Combine like terms: 16 + -16 = 0 0 + -3x = 0 + -16 -3x = 0 + -16 Combine like terms: 0 + -16 = -16 -3x = -16 Divide each side by '-3'. x = 5.333333333 Simplifying x = 5.333333333

Solution

x = {-1, 5.333333333}

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