9+19x=-18x^2+x+5

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Solution for 9+19x=-18x^2+x+5 equation:


Simplifying
9 + 19x = -18x2 + x + 5

Reorder the terms:
9 + 19x = 5 + x + -18x2

Solving
9 + 19x = 5 + x + -18x2

Solving for variable 'x'.

Reorder the terms:
9 + -5 + 19x + -1x + 18x2 = 5 + x + -18x2 + -5 + -1x + 18x2

Combine like terms: 9 + -5 = 4
4 + 19x + -1x + 18x2 = 5 + x + -18x2 + -5 + -1x + 18x2

Combine like terms: 19x + -1x = 18x
4 + 18x + 18x2 = 5 + x + -18x2 + -5 + -1x + 18x2

Reorder the terms:
4 + 18x + 18x2 = 5 + -5 + x + -1x + -18x2 + 18x2

Combine like terms: 5 + -5 = 0
4 + 18x + 18x2 = 0 + x + -1x + -18x2 + 18x2
4 + 18x + 18x2 = x + -1x + -18x2 + 18x2

Combine like terms: x + -1x = 0
4 + 18x + 18x2 = 0 + -18x2 + 18x2
4 + 18x + 18x2 = -18x2 + 18x2

Combine like terms: -18x2 + 18x2 = 0
4 + 18x + 18x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(2 + 9x + 9x2) = 0

Factor a trinomial.
2((2 + 3x)(1 + 3x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Subproblem 2

Set the factor '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 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 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333

Solution

x = {-0.6666666667, -0.3333333333}

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