100=(15-5x)x^2

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Solution for 100=(15-5x)x^2 equation: 


Simplifying
100 = (15 + -5x) * x2

Reorder the terms for easier multiplication:
100 = x2(15 + -5x)
100 = (15 * x2 + -5x * x2)
100 = (15x2 + -5x3)

Solving
100 = 15x2 + -5x3

Solving for variable 'x'.

Reorder the terms:
100 + -15x2 + 5x3 = 15x2 + -15x2 + -5x3 + 5x3

Combine like terms: 15x2 + -15x2 = 0
100 + -15x2 + 5x3 = 0 + -5x3 + 5x3
100 + -15x2 + 5x3 = -5x3 + 5x3

Combine like terms: -5x3 + 5x3 = 0
100 + -15x2 + 5x3 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(20 + -3x2 + x3) = 0

Ignore the factor 5.

Subproblem 1
Set the factor '(20 + -3x2 + x3)' equal to zero and attempt to solve:

Simplifying
20 + -3x2 + x3 = 0

Solving
20 + -3x2 + x3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

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