209=-x(-2x-3)

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Solution for 209=-x(-2x-3) equation:


Simplifying
209 = -1x(-2x + -3)

Reorder the terms:
209 = -1x(-3 + -2x)
209 = (-3 * -1x + -2x * -1x)
209 = (3x + 2x2)

Solving
209 = 3x + 2x2

Solving for variable 'x'.

Reorder the terms:
209 + -3x + -2x2 = 3x + -3x + 2x2 + -2x2

Combine like terms: 3x + -3x = 0
209 + -3x + -2x2 = 0 + 2x2 + -2x2
209 + -3x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
209 + -3x + -2x2 = 0

Factor a trinomial.
(19 + -2x)(11 + x) = 0

Subproblem 1

Set the factor '(19 + -2x)' equal to zero and attempt to solve: Simplifying 19 + -2x = 0 Solving 19 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-19' to each side of the equation. 19 + -19 + -2x = 0 + -19 Combine like terms: 19 + -19 = 0 0 + -2x = 0 + -19 -2x = 0 + -19 Combine like terms: 0 + -19 = -19 -2x = -19 Divide each side by '-2'. x = 9.5 Simplifying x = 9.5

Subproblem 2

Set the factor '(11 + x)' equal to zero and attempt to solve: Simplifying 11 + x = 0 Solving 11 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + x = 0 + -11 x = 0 + -11 Combine like terms: 0 + -11 = -11 x = -11 Simplifying x = -11

Solution

x = {9.5, -11}

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