(1.63x^3+4.6x^2-3.2x)-.75(5x^3-7x^2+9)=

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Solution for (1.63x^3+4.6x^2-3.2x)-.75(5x^3-7x^2+9)= equation: 


Simplifying
(1.63x3 + 4.6x2 + -3.2x) + -0.75(5x3 + -7x2 + 9) = 0

Reorder the terms:
(-3.2x + 4.6x2 + 1.63x3) + -0.75(5x3 + -7x2 + 9) = 0

Remove parenthesis around (-3.2x + 4.6x2 + 1.63x3)
-3.2x + 4.6x2 + 1.63x3 + -0.75(5x3 + -7x2 + 9) = 0

Reorder the terms:
-3.2x + 4.6x2 + 1.63x3 + -0.75(9 + -7x2 + 5x3) = 0
-3.2x + 4.6x2 + 1.63x3 + (9 * -0.75 + -7x2 * -0.75 + 5x3 * -0.75) = 0
-3.2x + 4.6x2 + 1.63x3 + (-6.75 + 5.25x2 + -3.75x3) = 0

Reorder the terms:
-6.75 + -3.2x + 4.6x2 + 5.25x2 + 1.63x3 + -3.75x3 = 0

Combine like terms: 4.6x2 + 5.25x2 = 9.85x2
-6.75 + -3.2x + 9.85x2 + 1.63x3 + -3.75x3 = 0

Combine like terms: 1.63x3 + -3.75x3 = -2.12x3
-6.75 + -3.2x + 9.85x2 + -2.12x3 = 0

Solving
-6.75 + -3.2x + 9.85x2 + -2.12x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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