3x^2=2x+1

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Solution for 3x^2=2x+1 equation:


Simplifying
3x2 = 2x + 1

Reorder the terms:
3x2 = 1 + 2x

Solving
3x2 = 1 + 2x

Solving for variable 'x'.

Reorder the terms:
-1 + -2x + 3x2 = 1 + 2x + -1 + -2x

Reorder the terms:
-1 + -2x + 3x2 = 1 + -1 + 2x + -2x

Combine like terms: 1 + -1 = 0
-1 + -2x + 3x2 = 0 + 2x + -2x
-1 + -2x + 3x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-1 + -2x + 3x2 = 0

Factor a trinomial.
(-1 + -3x)(1 + -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 '(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

Solution

x = {-0.3333333333, 1}

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