A^2-20a+84=0

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Solution for A^2-20a+84=0 equation: 


Simplifying
A2 + -20a + 84 = 0

Reorder the terms:
84 + A2 + -20a = 0

Solving
84 + A2 + -20a = 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 + A2 + -84 + -20a = 0 + -84

Reorder the terms:
84 + -84 + A2 + -20a = 0 + -84

Combine like terms: 84 + -84 = 0
0 + A2 + -20a = 0 + -84
A2 + -20a = 0 + -84

Combine like terms: 0 + -84 = -84
A2 + -20a = -84

Add '20a' to each side of the equation.
A2 + -20a + 20a = -84 + 20a

Combine like terms: -20a + 20a = 0
A2 + 0 = -84 + 20a
A2 = -84 + 20a

Simplifying
A2 = -84 + 20a

Reorder the terms:
84 + A2 + -20a = -84 + 20a + 84 + -20a

Reorder the terms:
84 + A2 + -20a = -84 + 84 + 20a + -20a

Combine like terms: -84 + 84 = 0
84 + A2 + -20a = 0 + 20a + -20a
84 + A2 + -20a = 20a + -20a

Combine like terms: 20a + -20a = 0
84 + A2 + -20a = 0

The solution to this equation could not be determined.

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