7z^4-42x^2=

Solution for 7z^4-42x^2= equation:

Simplifying
7z4 + -42x2 = 0

Reorder the terms:
-42x2 + 7z4 = 0

Solving
-42x2 + 7z4 = 0

Solving for variable 'x'.

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

Add '-7z4' to each side of the equation.
-42x2 + 7z4 + -7z4 = 0 + -7z4

Combine like terms: 7z4 + -7z4 = 0
-42x2 + 0 = 0 + -7z4
-42x2 = 0 + -7z4
Remove the zero:
-42x2 = -7z4

Divide each side by '-42'.
x2 = 0.1666666667z4

Simplifying
x2 = 0.1666666667z4

Take the square root of each side:
x = {-0.408248291z2, 0.408248291z2}