4x^2-14x+7=4-x

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Solution for 4x^2-14x+7=4-x equation:


Simplifying
4x2 + -14x + 7 = 4 + -1x

Reorder the terms:
7 + -14x + 4x2 = 4 + -1x

Solving
7 + -14x + 4x2 = 4 + -1x

Solving for variable 'x'.

Reorder the terms:
7 + -4 + -14x + x + 4x2 = 4 + -1x + -4 + x

Combine like terms: 7 + -4 = 3
3 + -14x + x + 4x2 = 4 + -1x + -4 + x

Combine like terms: -14x + x = -13x
3 + -13x + 4x2 = 4 + -1x + -4 + x

Reorder the terms:
3 + -13x + 4x2 = 4 + -4 + -1x + x

Combine like terms: 4 + -4 = 0
3 + -13x + 4x2 = 0 + -1x + x
3 + -13x + 4x2 = -1x + x

Combine like terms: -1x + x = 0
3 + -13x + 4x2 = 0

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

Subproblem 1

Set the factor '(1 + -4x)' equal to zero and attempt to solve: Simplifying 1 + -4x = 0 Solving 1 + -4x = 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 + -4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -4x = 0 + -1 -4x = 0 + -1 Combine like terms: 0 + -1 = -1 -4x = -1 Divide each side by '-4'. x = 0.25 Simplifying x = 0.25

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 = {0.25, 3}

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