5Z^2+5=85

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Solution for 5Z^2+5=85 equation: 


Simplifying
5Z2 + 5 = 85

Reorder the terms:
5 + 5Z2 = 85

Solving
5 + 5Z2 = 85

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 + 5Z2 = 85 + -5

Combine like terms: 5 + -5 = 0
0 + 5Z2 = 85 + -5
5Z2 = 85 + -5

Combine like terms: 85 + -5 = 80
5Z2 = 80

Divide each side by '5'.
Z2 = 16

Simplifying
Z2 = 16

Take the square root of each side:
Z = {-4, 4}

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