-13x^2-9x+4=5+2x^2-x

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Solution for -13x^2-9x+4=5+2x^2-x equation:


Simplifying
-13x2 + -9x + 4 = 5 + 2x2 + -1x

Reorder the terms:
4 + -9x + -13x2 = 5 + 2x2 + -1x

Reorder the terms:
4 + -9x + -13x2 = 5 + -1x + 2x2

Solving
4 + -9x + -13x2 = 5 + -1x + 2x2

Solving for variable 'x'.

Reorder the terms:
4 + -5 + -9x + x + -13x2 + -2x2 = 5 + -1x + 2x2 + -5 + x + -2x2

Combine like terms: 4 + -5 = -1
-1 + -9x + x + -13x2 + -2x2 = 5 + -1x + 2x2 + -5 + x + -2x2

Combine like terms: -9x + x = -8x
-1 + -8x + -13x2 + -2x2 = 5 + -1x + 2x2 + -5 + x + -2x2

Combine like terms: -13x2 + -2x2 = -15x2
-1 + -8x + -15x2 = 5 + -1x + 2x2 + -5 + x + -2x2

Reorder the terms:
-1 + -8x + -15x2 = 5 + -5 + -1x + x + 2x2 + -2x2

Combine like terms: 5 + -5 = 0
-1 + -8x + -15x2 = 0 + -1x + x + 2x2 + -2x2
-1 + -8x + -15x2 = -1x + x + 2x2 + -2x2

Combine like terms: -1x + x = 0
-1 + -8x + -15x2 = 0 + 2x2 + -2x2
-1 + -8x + -15x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-1 + -8x + -15x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(1 + 8x + 15x2) = 0

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

Ignore the factor -1.

Subproblem 1

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

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 = {-0.3333333333, -0.2}

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