0=4x^3+7x^2-15x-9

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Solution for 0=4x^3+7x^2-15x-9 equation: 


Simplifying
0 = 4x3 + 7x2 + -15x + -9

Reorder the terms:
0 = -9 + -15x + 7x2 + 4x3

Solving
0 = -9 + -15x + 7x2 + 4x3

Solving for variable 'x'.

Combine like terms: 0 + 9 = 9
9 + 15x + -7x2 + -4x3 = -9 + -15x + 7x2 + 4x3 + 9 + 15x + -7x2 + -4x3

Reorder the terms:
9 + 15x + -7x2 + -4x3 = -9 + 9 + -15x + 15x + 7x2 + -7x2 + 4x3 + -4x3

Combine like terms: -9 + 9 = 0
9 + 15x + -7x2 + -4x3 = 0 + -15x + 15x + 7x2 + -7x2 + 4x3 + -4x3
9 + 15x + -7x2 + -4x3 = -15x + 15x + 7x2 + -7x2 + 4x3 + -4x3

Combine like terms: -15x + 15x = 0
9 + 15x + -7x2 + -4x3 = 0 + 7x2 + -7x2 + 4x3 + -4x3
9 + 15x + -7x2 + -4x3 = 7x2 + -7x2 + 4x3 + -4x3

Combine like terms: 7x2 + -7x2 = 0
9 + 15x + -7x2 + -4x3 = 0 + 4x3 + -4x3
9 + 15x + -7x2 + -4x3 = 4x3 + -4x3

Combine like terms: 4x3 + -4x3 = 0
9 + 15x + -7x2 + -4x3 = 0

The solution to this equation could not be determined.

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