3000=(200+8x)(15-.50x)

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Solution for 3000=(200+8x)(15-.50x) equation:


Simplifying
3000 = (200 + 8x)(15 + -0.50x)

Multiply (200 + 8x) * (15 + -0.50x)
3000 = (200(15 + -0.50x) + 8x * (15 + -0.50x))
3000 = ((15 * 200 + -0.50x * 200) + 8x * (15 + -0.50x))
3000 = ((3000 + -100x) + 8x * (15 + -0.50x))
3000 = (3000 + -100x + (15 * 8x + -0.50x * 8x))
3000 = (3000 + -100x + (120x + -4x2))

Combine like terms: -100x + 120x = 20x
3000 = (3000 + 20x + -4x2)

Add '-3000' to each side of the equation.
3000 + -3000 = 3000 + 20x + -3000 + -4x2

Combine like terms: 3000 + -3000 = 0
0 = 3000 + 20x + -3000 + -4x2

Reorder the terms:
0 = 3000 + -3000 + 20x + -4x2

Combine like terms: 3000 + -3000 = 0
0 = 0 + 20x + -4x2
0 = 20x + -4x2

Solving
0 = 20x + -4x2

Solving for variable 'x'.
Remove the zero:
-20x + 4x2 = 20x + -4x2 + -20x + 4x2

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

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

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

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

Ignore the factor 4.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

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

Solution

x = {0, 5}

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