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

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


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

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

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

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

Solving for variable 'x'.

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

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

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

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

Combine like terms: 2 + -2 = 0
-2 + 3x + 5x2 = 0 + -2x + 2x + 3x2 + -3x2
-2 + 3x + 5x2 = -2x + 2x + 3x2 + -3x2

Combine like terms: -2x + 2x = 0
-2 + 3x + 5x2 = 0 + 3x2 + -3x2
-2 + 3x + 5x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-2 + 3x + 5x2 = 0

Factor a trinomial.
(-1 + -1x)(2 + -5x) = 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 '(2 + -5x)' equal to zero and attempt to solve: Simplifying 2 + -5x = 0 Solving 2 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5x = 0 + -2 -5x = 0 + -2 Combine like terms: 0 + -2 = -2 -5x = -2 Divide each side by '-5'. x = 0.4 Simplifying x = 0.4

Solution

x = {-1, 0.4}

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