(x^2-7)+(x^3+2x^2+1)=0

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Solution for (x^2-7)+(x^3+2x^2+1)=0 equation: 


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

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

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

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

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

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

Combine like terms: -7 + 1 = -6
-6 + x2 + 2x2 + x3 = 0

Combine like terms: x2 + 2x2 = 3x2
-6 + 3x2 + x3 = 0

Solving
-6 + 3x2 + x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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