0=(4x-4)(x-5)

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Solution for 0=(4x-4)(x-5) equation:


Simplifying
0 = (4x + -4)(x + -5)

Reorder the terms:
0 = (-4 + 4x)(x + -5)

Reorder the terms:
0 = (-4 + 4x)(-5 + x)

Multiply (-4 + 4x) * (-5 + x)
0 = (-4(-5 + x) + 4x * (-5 + x))
0 = ((-5 * -4 + x * -4) + 4x * (-5 + x))
0 = ((20 + -4x) + 4x * (-5 + x))
0 = (20 + -4x + (-5 * 4x + x * 4x))
0 = (20 + -4x + (-20x + 4x2))

Combine like terms: -4x + -20x = -24x
0 = (20 + -24x + 4x2)

Solving
0 = 20 + -24x + 4x2

Solving for variable 'x'.

Combine like terms: 0 + -20 = -20
-20 + 24x + -4x2 = 20 + -24x + 4x2 + -20 + 24x + -4x2

Reorder the terms:
-20 + 24x + -4x2 = 20 + -20 + -24x + 24x + 4x2 + -4x2

Combine like terms: 20 + -20 = 0
-20 + 24x + -4x2 = 0 + -24x + 24x + 4x2 + -4x2
-20 + 24x + -4x2 = -24x + 24x + 4x2 + -4x2

Combine like terms: -24x + 24x = 0
-20 + 24x + -4x2 = 0 + 4x2 + -4x2
-20 + 24x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-20 + 24x + -4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-5 + 6x + -1x2) = 0

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

Ignore the factor 4.

Subproblem 1

Set the factor '(-5 + x)' equal to zero and attempt to solve: Simplifying -5 + x = 0 Solving -5 + x = 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 + x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + x = 0 + 5 x = 0 + 5 Combine like terms: 0 + 5 = 5 x = 5 Simplifying x = 5

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 = {5, 1}

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