(1.3x^3+4.2x^2-3.2x)-0.76(9x^3-4x^2+6)=

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Solution for (1.3x^3+4.2x^2-3.2x)-0.76(9x^3-4x^2+6)= equation: 


Simplifying
(1.3x3 + 4.2x2 + -3.2x) + -0.76(9x3 + -4x2 + 6) = 0

Reorder the terms:
(-3.2x + 4.2x2 + 1.3x3) + -0.76(9x3 + -4x2 + 6) = 0

Remove parenthesis around (-3.2x + 4.2x2 + 1.3x3)
-3.2x + 4.2x2 + 1.3x3 + -0.76(9x3 + -4x2 + 6) = 0

Reorder the terms:
-3.2x + 4.2x2 + 1.3x3 + -0.76(6 + -4x2 + 9x3) = 0
-3.2x + 4.2x2 + 1.3x3 + (6 * -0.76 + -4x2 * -0.76 + 9x3 * -0.76) = 0
-3.2x + 4.2x2 + 1.3x3 + (-4.56 + 3.04x2 + -6.84x3) = 0

Reorder the terms:
-4.56 + -3.2x + 4.2x2 + 3.04x2 + 1.3x3 + -6.84x3 = 0

Combine like terms: 4.2x2 + 3.04x2 = 7.24x2
-4.56 + -3.2x + 7.24x2 + 1.3x3 + -6.84x3 = 0

Combine like terms: 1.3x3 + -6.84x3 = -5.54x3
-4.56 + -3.2x + 7.24x2 + -5.54x3 = 0

Solving
-4.56 + -3.2x + 7.24x2 + -5.54x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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