3x^2-56=2x

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Solution for 3x^2-56=2x equation:


Simplifying
3x2 + -56 = 2x

Reorder the terms:
-56 + 3x2 = 2x

Solving
-56 + 3x2 = 2x

Solving for variable 'x'.

Reorder the terms:
-56 + -2x + 3x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-56 + -2x + 3x2 = 0

Factor a trinomial.
(-4 + -1x)(14 + -3x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(14 + -3x)' equal to zero and attempt to solve: Simplifying 14 + -3x = 0 Solving 14 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + -3x = 0 + -14 Combine like terms: 14 + -14 = 0 0 + -3x = 0 + -14 -3x = 0 + -14 Combine like terms: 0 + -14 = -14 -3x = -14 Divide each side by '-3'. x = 4.666666667 Simplifying x = 4.666666667

Solution

x = {-4, 4.666666667}

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