8x^2+5x-4=2x^2-8x+1

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Solution for 8x^2+5x-4=2x^2-8x+1 equation:


Simplifying
8x2 + 5x + -4 = 2x2 + -8x + 1

Reorder the terms:
-4 + 5x + 8x2 = 2x2 + -8x + 1

Reorder the terms:
-4 + 5x + 8x2 = 1 + -8x + 2x2

Solving
-4 + 5x + 8x2 = 1 + -8x + 2x2

Solving for variable 'x'.

Reorder the terms:
-4 + -1 + 5x + 8x + 8x2 + -2x2 = 1 + -8x + 2x2 + -1 + 8x + -2x2

Combine like terms: -4 + -1 = -5
-5 + 5x + 8x + 8x2 + -2x2 = 1 + -8x + 2x2 + -1 + 8x + -2x2

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

Combine like terms: 8x2 + -2x2 = 6x2
-5 + 13x + 6x2 = 1 + -8x + 2x2 + -1 + 8x + -2x2

Reorder the terms:
-5 + 13x + 6x2 = 1 + -1 + -8x + 8x + 2x2 + -2x2

Combine like terms: 1 + -1 = 0
-5 + 13x + 6x2 = 0 + -8x + 8x + 2x2 + -2x2
-5 + 13x + 6x2 = -8x + 8x + 2x2 + -2x2

Combine like terms: -8x + 8x = 0
-5 + 13x + 6x2 = 0 + 2x2 + -2x2
-5 + 13x + 6x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-5 + 13x + 6x2 = 0

Factor a trinomial.
(-5 + -2x)(1 + -3x) = 0

Subproblem 1

Set the factor '(-5 + -2x)' equal to zero and attempt to solve: Simplifying -5 + -2x = 0 Solving -5 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -2x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2x = 0 + 5 -2x = 0 + 5 Combine like terms: 0 + 5 = 5 -2x = 5 Divide each side by '-2'. x = -2.5 Simplifying x = -2.5

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 = {-2.5, 0.3333333333}

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