4z^2-20+25=0

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Solution for 4z^2-20+25=0 equation:


Simplifying
4z2 + -20 + 25 = 0

Reorder the terms:
-20 + 25 + 4z2 = 0

Combine like terms: -20 + 25 = 5
5 + 4z2 = 0

Solving
5 + 4z2 = 0

Solving for variable 'z'.

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

Add '-5' to each side of the equation.
5 + -5 + 4z2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 4z2 = 0 + -5
4z2 = 0 + -5

Combine like terms: 0 + -5 = -5
4z2 = -5

Divide each side by '4'.
z2 = -1.25

Simplifying
z2 = -1.25

Reorder the terms:
1.25 + z2 = -1.25 + 1.25

Combine like terms: -1.25 + 1.25 = 0.00
1.25 + z2 = 0.00

The solution to this equation could not be determined.

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