=4x^3+2x^2-30x+20

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Solution for =4x^3+2x^2-30x+20 equation:


Simplifying
0 = 4x3 + 2x2 + -30x + 20

Reorder the terms:
0 = 20 + -30x + 2x2 + 4x3

Solving
0 = 20 + -30x + 2x2 + 4x3

Solving for variable 'x'.

Combine like terms: 0 + -20 = -20
-20 + 30x + -2x2 + -4x3 = 20 + -30x + 2x2 + 4x3 + -20 + 30x + -2x2 + -4x3

Reorder the terms:
-20 + 30x + -2x2 + -4x3 = 20 + -20 + -30x + 30x + 2x2 + -2x2 + 4x3 + -4x3

Combine like terms: 20 + -20 = 0
-20 + 30x + -2x2 + -4x3 = 0 + -30x + 30x + 2x2 + -2x2 + 4x3 + -4x3
-20 + 30x + -2x2 + -4x3 = -30x + 30x + 2x2 + -2x2 + 4x3 + -4x3

Combine like terms: -30x + 30x = 0
-20 + 30x + -2x2 + -4x3 = 0 + 2x2 + -2x2 + 4x3 + -4x3
-20 + 30x + -2x2 + -4x3 = 2x2 + -2x2 + 4x3 + -4x3

Combine like terms: 2x2 + -2x2 = 0
-20 + 30x + -2x2 + -4x3 = 0 + 4x3 + -4x3
-20 + 30x + -2x2 + -4x3 = 4x3 + -4x3

Combine like terms: 4x3 + -4x3 = 0
-20 + 30x + -2x2 + -4x3 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-10 + 15x + -1x2 + -2x3) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-10 + 15x + -1x2 + -2x3)' equal to zero and attempt to solve: Simplifying -10 + 15x + -1x2 + -2x3 = 0 Solving -10 + 15x + -1x2 + -2x3 = 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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