-77x^4-7x^3=

Solution for -77x^4-7x^3= equation:

Simplifying
-77x4 + -7x3 = 0

Reorder the terms:
-7x3 + -77x4 = 0

Solving
-7x3 + -77x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-7x3'.
-7x3(1 + 11x) = 0

Ignore the factor -7.
Subproblem 1
Set the factor 'x3' equal to zero and attempt to solve:

Simplifying
x3 = 0

Solving
x3 = 0

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

Simplifying
x3 = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Subproblem 2
Set the factor '(1 + 11x)' equal to zero and attempt to solve:

Simplifying
1 + 11x = 0

Solving
1 + 11x = 0

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

Add '-1' to each side of the equation.
1 + -1 + 11x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 11x = 0 + -1
11x = 0 + -1

Combine like terms: 0 + -1 = -1
11x = -1

Divide each side by '11'.
x = -0.09090909091

Simplifying
x = -0.09090909091
Solution
x = {-0.09090909091}