4x^2-4x+7x-7=2(x-1)

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Solution for 4x^2-4x+7x-7=2(x-1) equation:


Simplifying
4x2 + -4x + 7x + -7 = 2(x + -1)

Reorder the terms:
-7 + -4x + 7x + 4x2 = 2(x + -1)

Combine like terms: -4x + 7x = 3x
-7 + 3x + 4x2 = 2(x + -1)

Reorder the terms:
-7 + 3x + 4x2 = 2(-1 + x)
-7 + 3x + 4x2 = (-1 * 2 + x * 2)
-7 + 3x + 4x2 = (-2 + 2x)

Solving
-7 + 3x + 4x2 = -2 + 2x

Solving for variable 'x'.

Reorder the terms:
-7 + 2 + 3x + -2x + 4x2 = -2 + 2x + 2 + -2x

Combine like terms: -7 + 2 = -5
-5 + 3x + -2x + 4x2 = -2 + 2x + 2 + -2x

Combine like terms: 3x + -2x = 1x
-5 + 1x + 4x2 = -2 + 2x + 2 + -2x

Reorder the terms:
-5 + 1x + 4x2 = -2 + 2 + 2x + -2x

Combine like terms: -2 + 2 = 0
-5 + 1x + 4x2 = 0 + 2x + -2x
-5 + 1x + 4x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-5 + 1x + 4x2 = 0

Factor a trinomial.
(-5 + -4x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -4x)' equal to zero and attempt to solve: Simplifying -5 + -4x = 0 Solving -5 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -4x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -4x = 0 + 5 -4x = 0 + 5 Combine like terms: 0 + 5 = 5 -4x = 5 Divide each side by '-4'. x = -1.25 Simplifying x = -1.25

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 = {-1.25, 1}

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