5x(x-1)=(4x-7)(x-1)

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Solution for 5x(x-1)=(4x-7)(x-1) equation:


Simplifying
5x(x + -1) = (4x + -7)(x + -1)

Reorder the terms:
5x(-1 + x) = (4x + -7)(x + -1)
(-1 * 5x + x * 5x) = (4x + -7)(x + -1)
(-5x + 5x2) = (4x + -7)(x + -1)

Reorder the terms:
-5x + 5x2 = (-7 + 4x)(x + -1)

Reorder the terms:
-5x + 5x2 = (-7 + 4x)(-1 + x)

Multiply (-7 + 4x) * (-1 + x)
-5x + 5x2 = (-7(-1 + x) + 4x * (-1 + x))
-5x + 5x2 = ((-1 * -7 + x * -7) + 4x * (-1 + x))
-5x + 5x2 = ((7 + -7x) + 4x * (-1 + x))
-5x + 5x2 = (7 + -7x + (-1 * 4x + x * 4x))
-5x + 5x2 = (7 + -7x + (-4x + 4x2))

Combine like terms: -7x + -4x = -11x
-5x + 5x2 = (7 + -11x + 4x2)

Solving
-5x + 5x2 = 7 + -11x + 4x2

Solving for variable 'x'.

Reorder the terms:
-7 + -5x + 11x + 5x2 + -4x2 = 7 + -11x + 4x2 + -7 + 11x + -4x2

Combine like terms: -5x + 11x = 6x
-7 + 6x + 5x2 + -4x2 = 7 + -11x + 4x2 + -7 + 11x + -4x2

Combine like terms: 5x2 + -4x2 = 1x2
-7 + 6x + 1x2 = 7 + -11x + 4x2 + -7 + 11x + -4x2

Reorder the terms:
-7 + 6x + 1x2 = 7 + -7 + -11x + 11x + 4x2 + -4x2

Combine like terms: 7 + -7 = 0
-7 + 6x + 1x2 = 0 + -11x + 11x + 4x2 + -4x2
-7 + 6x + 1x2 = -11x + 11x + 4x2 + -4x2

Combine like terms: -11x + 11x = 0
-7 + 6x + 1x2 = 0 + 4x2 + -4x2
-7 + 6x + 1x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-7 + 6x + 1x2 = 0

Factor a trinomial.
(-7 + -1x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

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 = {-7, 1}

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