3x^2+16=-16x

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


Simplifying
3x2 + 16 = -16x

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

Solving
16 + 3x2 = -16x

Solving for variable 'x'.

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

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

Factor a trinomial.
(4 + x)(4 + 3x) = 0

Subproblem 1

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(4 + 3x)' equal to zero and attempt to solve: Simplifying 4 + 3x = 0 Solving 4 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3x = 0 + -4 3x = 0 + -4 Combine like terms: 0 + -4 = -4 3x = -4 Divide each side by '3'. x = -1.333333333 Simplifying x = -1.333333333

Solution

x = {-4, -1.333333333}

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