(3-x)(x-5)=0

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Solution for (3-x)(x-5)=0 equation:


Simplifying
(3 + -1x)(x + -5) = 0

Reorder the terms:
(3 + -1x)(-5 + x) = 0

Multiply (3 + -1x) * (-5 + x)
(3(-5 + x) + -1x * (-5 + x)) = 0
((-5 * 3 + x * 3) + -1x * (-5 + x)) = 0
((-15 + 3x) + -1x * (-5 + x)) = 0
(-15 + 3x + (-5 * -1x + x * -1x)) = 0
(-15 + 3x + (5x + -1x2)) = 0

Combine like terms: 3x + 5x = 8x
(-15 + 8x + -1x2) = 0

Solving
-15 + 8x + -1x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + x)(3 + -1x) = 0

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 '(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 = {5, 3}

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