(2x^3-5x^2-7x-1)-(-x^2-2)=

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Solution for (2x^3-5x^2-7x-1)-(-x^2-2)= equation: 


Simplifying
(2x3 + -5x2 + -7x + -1) + -1(-1x2 + -2) = 0

Reorder the terms:
(-1 + -7x + -5x2 + 2x3) + -1(-1x2 + -2) = 0

Remove parenthesis around (-1 + -7x + -5x2 + 2x3)
-1 + -7x + -5x2 + 2x3 + -1(-1x2 + -2) = 0

Reorder the terms:
-1 + -7x + -5x2 + 2x3 + -1(-2 + -1x2) = 0
-1 + -7x + -5x2 + 2x3 + (-2 * -1 + -1x2 * -1) = 0
-1 + -7x + -5x2 + 2x3 + (2 + 1x2) = 0

Reorder the terms:
-1 + 2 + -7x + -5x2 + 1x2 + 2x3 = 0

Combine like terms: -1 + 2 = 1
1 + -7x + -5x2 + 1x2 + 2x3 = 0

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

Solving
1 + -7x + -4x2 + 2x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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