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

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Solution for (x+3)(5-x)(-x-1)=0 equation:


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

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

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

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

Combine like terms: -3x + 5x = 2x
(15 + 2x + -1x2)(-1 + -1x) = 0

Multiply (15 + 2x + -1x2) * (-1 + -1x)
(15(-1 + -1x) + 2x * (-1 + -1x) + -1x2 * (-1 + -1x)) = 0
((-1 * 15 + -1x * 15) + 2x * (-1 + -1x) + -1x2 * (-1 + -1x)) = 0
((-15 + -15x) + 2x * (-1 + -1x) + -1x2 * (-1 + -1x)) = 0
(-15 + -15x + (-1 * 2x + -1x * 2x) + -1x2 * (-1 + -1x)) = 0
(-15 + -15x + (-2x + -2x2) + -1x2 * (-1 + -1x)) = 0
(-15 + -15x + -2x + -2x2 + (-1 * -1x2 + -1x * -1x2)) = 0
(-15 + -15x + -2x + -2x2 + (1x2 + 1x3)) = 0

Combine like terms: -15x + -2x = -17x
(-15 + -17x + -2x2 + 1x2 + 1x3) = 0

Combine like terms: -2x2 + 1x2 = -1x2
(-15 + -17x + -1x2 + 1x3) = 0

Solving
-15 + -17x + -1x2 + 1x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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