5x^2-4x-2=4x^2+3x+6

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Solution for 5x^2-4x-2=4x^2+3x+6 equation:


Simplifying
5x2 + -4x + -2 = 4x2 + 3x + 6

Reorder the terms:
-2 + -4x + 5x2 = 4x2 + 3x + 6

Reorder the terms:
-2 + -4x + 5x2 = 6 + 3x + 4x2

Solving
-2 + -4x + 5x2 = 6 + 3x + 4x2

Solving for variable 'x'.

Reorder the terms:
-2 + -6 + -4x + -3x + 5x2 + -4x2 = 6 + 3x + 4x2 + -6 + -3x + -4x2

Combine like terms: -2 + -6 = -8
-8 + -4x + -3x + 5x2 + -4x2 = 6 + 3x + 4x2 + -6 + -3x + -4x2

Combine like terms: -4x + -3x = -7x
-8 + -7x + 5x2 + -4x2 = 6 + 3x + 4x2 + -6 + -3x + -4x2

Combine like terms: 5x2 + -4x2 = 1x2
-8 + -7x + 1x2 = 6 + 3x + 4x2 + -6 + -3x + -4x2

Reorder the terms:
-8 + -7x + 1x2 = 6 + -6 + 3x + -3x + 4x2 + -4x2

Combine like terms: 6 + -6 = 0
-8 + -7x + 1x2 = 0 + 3x + -3x + 4x2 + -4x2
-8 + -7x + 1x2 = 3x + -3x + 4x2 + -4x2

Combine like terms: 3x + -3x = 0
-8 + -7x + 1x2 = 0 + 4x2 + -4x2
-8 + -7x + 1x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-8 + -7x + 1x2 = 0

Factor a trinomial.
(-1 + -1x)(8 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {-1, 8}

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