21z^2+85=0

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Solution for 21z^2+85=0 equation:


Simplifying
21z2 + 85 = 0

Reorder the terms:
85 + 21z2 = 0

Solving
85 + 21z2 = 0

Solving for variable 'z'.

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

Add '-85' to each side of the equation.
85 + -85 + 21z2 = 0 + -85

Combine like terms: 85 + -85 = 0
0 + 21z2 = 0 + -85
21z2 = 0 + -85

Combine like terms: 0 + -85 = -85
21z2 = -85

Divide each side by '21'.
z2 = -4.047619048

Simplifying
z2 = -4.047619048

Reorder the terms:
4.047619048 + z2 = -4.047619048 + 4.047619048

Combine like terms: -4.047619048 + 4.047619048 = 0.000000000
4.047619048 + z2 = 0.000000000

The solution to this equation could not be determined.

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