(-2x-5)(5+x)(2+5x)=0

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Solution for (-2x-5)(5+x)(2+5x)=0 equation: 


Simplifying
(-2x + -5)(5 + x)(2 + 5x) = 0

Reorder the terms:
(-5 + -2x)(5 + x)(2 + 5x) = 0

Multiply (-5 + -2x) * (5 + x)
(-5(5 + x) + -2x * (5 + x))(2 + 5x) = 0
((5 * -5 + x * -5) + -2x * (5 + x))(2 + 5x) = 0
((-25 + -5x) + -2x * (5 + x))(2 + 5x) = 0
(-25 + -5x + (5 * -2x + x * -2x))(2 + 5x) = 0
(-25 + -5x + (-10x + -2x2))(2 + 5x) = 0

Combine like terms: -5x + -10x = -15x
(-25 + -15x + -2x2)(2 + 5x) = 0

Multiply (-25 + -15x + -2x2) * (2 + 5x)
(-25(2 + 5x) + -15x * (2 + 5x) + -2x2 * (2 + 5x)) = 0
((2 * -25 + 5x * -25) + -15x * (2 + 5x) + -2x2 * (2 + 5x)) = 0
((-50 + -125x) + -15x * (2 + 5x) + -2x2 * (2 + 5x)) = 0
(-50 + -125x + (2 * -15x + 5x * -15x) + -2x2 * (2 + 5x)) = 0
(-50 + -125x + (-30x + -75x2) + -2x2 * (2 + 5x)) = 0
(-50 + -125x + -30x + -75x2 + (2 * -2x2 + 5x * -2x2)) = 0
(-50 + -125x + -30x + -75x2 + (-4x2 + -10x3)) = 0

Combine like terms: -125x + -30x = -155x
(-50 + -155x + -75x2 + -4x2 + -10x3) = 0

Combine like terms: -75x2 + -4x2 = -79x2
(-50 + -155x + -79x2 + -10x3) = 0

Solving
-50 + -155x + -79x2 + -10x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(50 + 155x + 79x2 + 10x3) = 0

Ignore the factor -1.

Subproblem 1
Set the factor '(50 + 155x + 79x2 + 10x3)' equal to zero and attempt to solve:

Simplifying
50 + 155x + 79x2 + 10x3 = 0

Solving
50 + 155x + 79x2 + 10x3 = 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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