98x^4-72x^2=0

Solution for 98x^4-72x^2=0 equation:

Simplifying
98x4 + -72x2 = 0

Reorder the terms:
-72x2 + 98x4 = 0

Solving
-72x2 + 98x4 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2x2'.
2x2(-36 + 49x2) = 0

Factor a difference between two squares.
2x2((6 + 7x)(-6 + 7x)) = 0

Ignore the factor 2.
Subproblem 1
Set the factor 'x2' equal to zero and attempt to solve:

Simplifying
x2 = 0

Solving
x2 = 0

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

Simplifying
x2 = 0

Take the square root of each side:
x = {0}
Subproblem 2
Set the factor '(6 + 7x)' equal to zero and attempt to solve:

Simplifying
6 + 7x = 0

Solving
6 + 7x = 0

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

Add '-6' to each side of the equation.
6 + -6 + 7x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 7x = 0 + -6
7x = 0 + -6

Combine like terms: 0 + -6 = -6
7x = -6

Divide each side by '7'.
x = -0.8571428571

Simplifying
x = -0.8571428571
Subproblem 3
Set the factor '(-6 + 7x)' equal to zero and attempt to solve:

Simplifying
-6 + 7x = 0

Solving
-6 + 7x = 0

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

Add '6' to each side of the equation.
-6 + 6 + 7x = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 7x = 0 + 6
7x = 0 + 6

Combine like terms: 0 + 6 = 6
7x = 6

Divide each side by '7'.
x = 0.8571428571

Simplifying
x = 0.8571428571
Solution
x = {0, -0.8571428571, 0.8571428571}