A^2-12a-42=0

Solution for A^2-12a-42=0 equation:

Simplifying
A2 + -12a + -42 = 0

Reorder the terms:
-42 + A2 + -12a = 0

Solving
-42 + A2 + -12a = 0

Solving for variable 'A'.

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

Add '42' to each side of the equation.
-42 + A2 + 42 + -12a = 0 + 42

Reorder the terms:
-42 + 42 + A2 + -12a = 0 + 42

Combine like terms: -42 + 42 = 0
0 + A2 + -12a = 0 + 42
A2 + -12a = 0 + 42

Combine like terms: 0 + 42 = 42
A2 + -12a = 42

Add '12a' to each side of the equation.
A2 + -12a + 12a = 42 + 12a

Combine like terms: -12a + 12a = 0
A2 + 0 = 42 + 12a
A2 = 42 + 12a

Simplifying
A2 = 42 + 12a

Reorder the terms:
-42 + A2 + -12a = 42 + 12a + -42 + -12a

Reorder the terms:
-42 + A2 + -12a = 42 + -42 + 12a + -12a

Combine like terms: 42 + -42 = 0
-42 + A2 + -12a = 0 + 12a + -12a
-42 + A2 + -12a = 12a + -12a

Combine like terms: 12a + -12a = 0
-42 + A2 + -12a = 0

The solution to this equation could not be determined.