az^2-84=0

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Solution for az^2-84=0 equation: 


Simplifying
az2 + -84 = 0

Reorder the terms:
-84 + az2 = 0

Solving
-84 + az2 = 0

Solving for variable 'a'.

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

Add '84' to each side of the equation.
-84 + 84 + az2 = 0 + 84

Combine like terms: -84 + 84 = 0
0 + az2 = 0 + 84
az2 = 0 + 84

Combine like terms: 0 + 84 = 84
az2 = 84

Divide each side by 'z2'.
a = 84z-2

Simplifying
a = 84z-2

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