(-4x^3+2x^2-5x-7)-3(x^3-4x^2+5x-2)=

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Solution for (-4x^3+2x^2-5x-7)-3(x^3-4x^2+5x-2)= equation: 


Simplifying
(-4x3 + 2x2 + -5x + -7) + -3(x3 + -4x2 + 5x + -2) = 0

Reorder the terms:
(-7 + -5x + 2x2 + -4x3) + -3(x3 + -4x2 + 5x + -2) = 0

Remove parenthesis around (-7 + -5x + 2x2 + -4x3)
-7 + -5x + 2x2 + -4x3 + -3(x3 + -4x2 + 5x + -2) = 0

Reorder the terms:
-7 + -5x + 2x2 + -4x3 + -3(-2 + 5x + -4x2 + x3) = 0
-7 + -5x + 2x2 + -4x3 + (-2 * -3 + 5x * -3 + -4x2 * -3 + x3 * -3) = 0
-7 + -5x + 2x2 + -4x3 + (6 + -15x + 12x2 + -3x3) = 0

Reorder the terms:
-7 + 6 + -5x + -15x + 2x2 + 12x2 + -4x3 + -3x3 = 0

Combine like terms: -7 + 6 = -1
-1 + -5x + -15x + 2x2 + 12x2 + -4x3 + -3x3 = 0

Combine like terms: -5x + -15x = -20x
-1 + -20x + 2x2 + 12x2 + -4x3 + -3x3 = 0

Combine like terms: 2x2 + 12x2 = 14x2
-1 + -20x + 14x2 + -4x3 + -3x3 = 0

Combine like terms: -4x3 + -3x3 = -7x3
-1 + -20x + 14x2 + -7x3 = 0

Solving
-1 + -20x + 14x2 + -7x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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