490=42x+18x^2-2x^3

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Solution for 490=42x+18x^2-2x^3 equation: 


Simplifying
490 = 42x + 18x2 + -2x3

Solving
490 = 42x + 18x2 + -2x3

Solving for variable 'x'.

Reorder the terms:
490 + -42x + -18x2 + 2x3 = 42x + -42x + 18x2 + -18x2 + -2x3 + 2x3

Combine like terms: 42x + -42x = 0
490 + -42x + -18x2 + 2x3 = 0 + 18x2 + -18x2 + -2x3 + 2x3
490 + -42x + -18x2 + 2x3 = 18x2 + -18x2 + -2x3 + 2x3

Combine like terms: 18x2 + -18x2 = 0
490 + -42x + -18x2 + 2x3 = 0 + -2x3 + 2x3
490 + -42x + -18x2 + 2x3 = -2x3 + 2x3

Combine like terms: -2x3 + 2x3 = 0
490 + -42x + -18x2 + 2x3 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(245 + -21x + -9x2 + x3) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(245 + -21x + -9x2 + x3)' equal to zero and attempt to solve:

Simplifying
245 + -21x + -9x2 + x3 = 0

Solving
245 + -21x + -9x2 + 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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