5(d-2)(d+1)(2d+1)=0

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Solution for 5(d-2)(d+1)(2d+1)=0 equation: 


Simplifying
5(d + -2)(d + 1)(2d + 1) = 0

Reorder the terms:
5(-2 + d)(d + 1)(2d + 1) = 0

Reorder the terms:
5(-2 + d)(1 + d)(2d + 1) = 0

Reorder the terms:
5(-2 + d)(1 + d)(1 + 2d) = 0

Multiply (-2 + d) * (1 + d)
5(-2(1 + d) + d(1 + d))(1 + 2d) = 0
5((1 * -2 + d * -2) + d(1 + d))(1 + 2d) = 0
5((-2 + -2d) + d(1 + d))(1 + 2d) = 0
5(-2 + -2d + (1 * d + d * d))(1 + 2d) = 0
5(-2 + -2d + (1d + d2))(1 + 2d) = 0

Combine like terms: -2d + 1d = -1d
5(-2 + -1d + d2)(1 + 2d) = 0

Multiply (-2 + -1d + d2) * (1 + 2d)
5(-2(1 + 2d) + -1d * (1 + 2d) + d2(1 + 2d)) = 0
5((1 * -2 + 2d * -2) + -1d * (1 + 2d) + d2(1 + 2d)) = 0
5((-2 + -4d) + -1d * (1 + 2d) + d2(1 + 2d)) = 0
5(-2 + -4d + (1 * -1d + 2d * -1d) + d2(1 + 2d)) = 0
5(-2 + -4d + (-1d + -2d2) + d2(1 + 2d)) = 0
5(-2 + -4d + -1d + -2d2 + (1 * d2 + 2d * d2)) = 0
5(-2 + -4d + -1d + -2d2 + (1d2 + 2d3)) = 0

Combine like terms: -4d + -1d = -5d
5(-2 + -5d + -2d2 + 1d2 + 2d3) = 0

Combine like terms: -2d2 + 1d2 = -1d2
5(-2 + -5d + -1d2 + 2d3) = 0
(-2 * 5 + -5d * 5 + -1d2 * 5 + 2d3 * 5) = 0
(-10 + -25d + -5d2 + 10d3) = 0

Solving
-10 + -25d + -5d2 + 10d3 = 0

Solving for variable 'd'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-2 + -5d + -1d2 + 2d3) = 0

Ignore the factor 5.

Subproblem 1
Set the factor '(-2 + -5d + -1d2 + 2d3)' equal to zero and attempt to solve:

Simplifying
-2 + -5d + -1d2 + 2d3 = 0

Solving
-2 + -5d + -1d2 + 2d3 = 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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