3x^2=-28-19x

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Solution for 3x^2=-28-19x equation:


Simplifying
3x2 = -28 + -19x

Solving
3x2 = -28 + -19x

Solving for variable 'x'.

Reorder the terms:
28 + 19x + 3x2 = -28 + -19x + 28 + 19x

Reorder the terms:
28 + 19x + 3x2 = -28 + 28 + -19x + 19x

Combine like terms: -28 + 28 = 0
28 + 19x + 3x2 = 0 + -19x + 19x
28 + 19x + 3x2 = -19x + 19x

Combine like terms: -19x + 19x = 0
28 + 19x + 3x2 = 0

Factor a trinomial.
(4 + x)(7 + 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 '(7 + 3x)' equal to zero and attempt to solve: Simplifying 7 + 3x = 0 Solving 7 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 3x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 3x = 0 + -7 3x = 0 + -7 Combine like terms: 0 + -7 = -7 3x = -7 Divide each side by '3'. x = -2.333333333 Simplifying x = -2.333333333

Solution

x = {-4, -2.333333333}

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