7x^3+21x^2-7x-21=0

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Solution for 7x^3+21x^2-7x-21=0 equation:


Simplifying
7x3 + 21x2 + -7x + -21 = 0

Reorder the terms:
-21 + -7x + 21x2 + 7x3 = 0

Solving
-21 + -7x + 21x2 + 7x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '7'.
7(-3 + -1x + 3x2 + x3) = 0

Ignore the factor 7.

Subproblem 1

Set the factor '(-3 + -1x + 3x2 + x3)' equal to zero and attempt to solve: Simplifying -3 + -1x + 3x2 + x3 = 0 Solving -3 + -1x + 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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