0=x^3+4x^2+7.5x-2

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Solution for 0=x^3+4x^2+7.5x-2 equation: 


Simplifying
0 = x3 + 4x2 + 7.5x + -2

Reorder the terms:
0 = -2 + 7.5x + 4x2 + x3

Solving
0 = -2 + 7.5x + 4x2 + x3

Solving for variable 'x'.

Combine like terms: 0 + 2 = 2
2 + -7.5x + -4x2 + -1x3 = -2 + 7.5x + 4x2 + x3 + 2 + -7.5x + -4x2 + -1x3

Reorder the terms:
2 + -7.5x + -4x2 + -1x3 = -2 + 2 + 7.5x + -7.5x + 4x2 + -4x2 + x3 + -1x3

Combine like terms: -2 + 2 = 0
2 + -7.5x + -4x2 + -1x3 = 0 + 7.5x + -7.5x + 4x2 + -4x2 + x3 + -1x3
2 + -7.5x + -4x2 + -1x3 = 7.5x + -7.5x + 4x2 + -4x2 + x3 + -1x3

Combine like terms: 7.5x + -7.5x = 0.0
2 + -7.5x + -4x2 + -1x3 = 0.0 + 4x2 + -4x2 + x3 + -1x3
2 + -7.5x + -4x2 + -1x3 = 4x2 + -4x2 + x3 + -1x3

Combine like terms: 4x2 + -4x2 = 0
2 + -7.5x + -4x2 + -1x3 = 0 + x3 + -1x3
2 + -7.5x + -4x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
2 + -7.5x + -4x2 + -1x3 = 0

The solution to this equation could not be determined.

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