x^2-3x-8=-2x^2+8x-4

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Solution for x^2-3x-8=-2x^2+8x-4 equation:


Simplifying
x2 + -3x + -8 = -2x2 + 8x + -4

Reorder the terms:
-8 + -3x + x2 = -2x2 + 8x + -4

Reorder the terms:
-8 + -3x + x2 = -4 + 8x + -2x2

Solving
-8 + -3x + x2 = -4 + 8x + -2x2

Solving for variable 'x'.

Reorder the terms:
-8 + 4 + -3x + -8x + x2 + 2x2 = -4 + 8x + -2x2 + 4 + -8x + 2x2

Combine like terms: -8 + 4 = -4
-4 + -3x + -8x + x2 + 2x2 = -4 + 8x + -2x2 + 4 + -8x + 2x2

Combine like terms: -3x + -8x = -11x
-4 + -11x + x2 + 2x2 = -4 + 8x + -2x2 + 4 + -8x + 2x2

Combine like terms: x2 + 2x2 = 3x2
-4 + -11x + 3x2 = -4 + 8x + -2x2 + 4 + -8x + 2x2

Reorder the terms:
-4 + -11x + 3x2 = -4 + 4 + 8x + -8x + -2x2 + 2x2

Combine like terms: -4 + 4 = 0
-4 + -11x + 3x2 = 0 + 8x + -8x + -2x2 + 2x2
-4 + -11x + 3x2 = 8x + -8x + -2x2 + 2x2

Combine like terms: 8x + -8x = 0
-4 + -11x + 3x2 = 0 + -2x2 + 2x2
-4 + -11x + 3x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-4 + -11x + 3x2 = 0

Factor a trinomial.
(-1 + -3x)(4 + -1x) = 0

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 '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 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 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-0.3333333333, 4}

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