3x^2-7x=x-4

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Solution for 3x^2-7x=x-4 equation:


Simplifying
3x2 + -7x = x + -4

Reorder the terms:
-7x + 3x2 = x + -4

Reorder the terms:
-7x + 3x2 = -4 + x

Solving
-7x + 3x2 = -4 + x

Solving for variable 'x'.

Reorder the terms:
4 + -7x + -1x + 3x2 = -4 + x + 4 + -1x

Combine like terms: -7x + -1x = -8x
4 + -8x + 3x2 = -4 + x + 4 + -1x

Reorder the terms:
4 + -8x + 3x2 = -4 + 4 + x + -1x

Combine like terms: -4 + 4 = 0
4 + -8x + 3x2 = 0 + x + -1x
4 + -8x + 3x2 = x + -1x

Combine like terms: x + -1x = 0
4 + -8x + 3x2 = 0

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

Subproblem 1

Set the factor '(2 + -3x)' equal to zero and attempt to solve: Simplifying 2 + -3x = 0 Solving 2 + -3x = 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 + -3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3x = 0 + -2 -3x = 0 + -2 Combine like terms: 0 + -2 = -2 -3x = -2 Divide each side by '-3'. x = 0.6666666667 Simplifying x = 0.6666666667

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 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 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {0.6666666667, 2}

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