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

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


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

Reorder the terms:
3(-5 + x) = x(x + -5)
(-5 * 3 + x * 3) = x(x + -5)
(-15 + 3x) = x(x + -5)

Reorder the terms:
-15 + 3x = x(-5 + x)
-15 + 3x = (-5 * x + x * x)
-15 + 3x = (-5x + x2)

Solving
-15 + 3x = -5x + x2

Solving for variable 'x'.

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

Reorder the terms:
-15 + 8x + -1x2 = -5x + 5x + x2 + -1x2

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

Combine like terms: x2 + -1x2 = 0
-15 + 8x + -1x2 = 0

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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