A^2+324=400

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Solution for A^2+324=400 equation: 


Simplifying
A2 + 324 = 400

Reorder the terms:
324 + A2 = 400

Solving
324 + A2 = 400

Solving for variable 'A'.

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

Add '-324' to each side of the equation.
324 + -324 + A2 = 400 + -324

Combine like terms: 324 + -324 = 0
0 + A2 = 400 + -324
A2 = 400 + -324

Combine like terms: 400 + -324 = 76
A2 = 76

Simplifying
A2 = 76

Take the square root of each side:
A = {-8.717797887, 8.717797887}

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