0=X^3+7x^2-x-7

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Solution for 0=X^3+7x^2-x-7 equation:


Simplifying
0 = X3 + 7x2 + -1x + -7

Reorder the terms:
0 = -7 + X3 + -1x + 7x2

Solving
0 = -7 + X3 + -1x + 7x2

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-1X3' to each side of the equation.
0 + -1X3 = -7 + X3 + -1x + -1X3 + 7x2
Remove the zero:
-1X3 = -7 + X3 + -1x + -1X3 + 7x2

Reorder the terms:
-1X3 = -7 + X3 + -1X3 + -1x + 7x2

Combine like terms: X3 + -1X3 = 0
-1X3 = -7 + 0 + -1x + 7x2
-1X3 = -7 + -1x + 7x2

Divide each side by '-1'.
X3 = 7 + x + -7x2

Simplifying
X3 = 7 + x + -7x2

Reorder the terms:
-7 + X3 + -1x + 7x2 = 7 + x + -7x2 + -7 + -1x + 7x2

Reorder the terms:
-7 + X3 + -1x + 7x2 = 7 + -7 + x + -1x + -7x2 + 7x2

Combine like terms: 7 + -7 = 0
-7 + X3 + -1x + 7x2 = 0 + x + -1x + -7x2 + 7x2
-7 + X3 + -1x + 7x2 = x + -1x + -7x2 + 7x2

Combine like terms: x + -1x = 0
-7 + X3 + -1x + 7x2 = 0 + -7x2 + 7x2
-7 + X3 + -1x + 7x2 = -7x2 + 7x2

Combine like terms: -7x2 + 7x2 = 0
-7 + X3 + -1x + 7x2 = 0

The solution to this equation could not be determined.

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