8x^2-13x-3=3x^2-x+6

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Solution for 8x^2-13x-3=3x^2-x+6 equation:


Simplifying
8x2 + -13x + -3 = 3x2 + -1x + 6

Reorder the terms:
-3 + -13x + 8x2 = 3x2 + -1x + 6

Reorder the terms:
-3 + -13x + 8x2 = 6 + -1x + 3x2

Solving
-3 + -13x + 8x2 = 6 + -1x + 3x2

Solving for variable 'x'.

Reorder the terms:
-3 + -6 + -13x + x + 8x2 + -3x2 = 6 + -1x + 3x2 + -6 + x + -3x2

Combine like terms: -3 + -6 = -9
-9 + -13x + x + 8x2 + -3x2 = 6 + -1x + 3x2 + -6 + x + -3x2

Combine like terms: -13x + x = -12x
-9 + -12x + 8x2 + -3x2 = 6 + -1x + 3x2 + -6 + x + -3x2

Combine like terms: 8x2 + -3x2 = 5x2
-9 + -12x + 5x2 = 6 + -1x + 3x2 + -6 + x + -3x2

Reorder the terms:
-9 + -12x + 5x2 = 6 + -6 + -1x + x + 3x2 + -3x2

Combine like terms: 6 + -6 = 0
-9 + -12x + 5x2 = 0 + -1x + x + 3x2 + -3x2
-9 + -12x + 5x2 = -1x + x + 3x2 + -3x2

Combine like terms: -1x + x = 0
-9 + -12x + 5x2 = 0 + 3x2 + -3x2
-9 + -12x + 5x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-9 + -12x + 5x2 = 0

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

Subproblem 1

Set the factor '(-3 + -5x)' equal to zero and attempt to solve: Simplifying -3 + -5x = 0 Solving -3 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -5x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5x = 0 + 3 -5x = 0 + 3 Combine like terms: 0 + 3 = 3 -5x = 3 Divide each side by '-5'. x = -0.6 Simplifying x = -0.6

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-0.6, 3}

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