5x^2+3=-16x

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Solution for 5x^2+3=-16x equation:


Simplifying
5x2 + 3 = -16x

Reorder the terms:
3 + 5x2 = -16x

Solving
3 + 5x2 = -16x

Solving for variable 'x'.

Reorder the terms:
3 + 16x + 5x2 = -16x + 16x

Combine like terms: -16x + 16x = 0
3 + 16x + 5x2 = 0

Factor a trinomial.
(3 + x)(1 + 5x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(1 + 5x)' equal to zero and attempt to solve: Simplifying 1 + 5x = 0 Solving 1 + 5x = 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 + 5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 5x = 0 + -1 5x = 0 + -1 Combine like terms: 0 + -1 = -1 5x = -1 Divide each side by '5'. x = -0.2 Simplifying x = -0.2

Solution

x = {-3, -0.2}

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