(a-8)(a+8)=b

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Solution for (a-8)(a+8)=b equation:


Simplifying
(a + -8)(a + 8) = b

Reorder the terms:
(-8 + a)(a + 8) = b

Reorder the terms:
(-8 + a)(8 + a) = b

Multiply (-8 + a) * (8 + a)
(-8(8 + a) + a(8 + a)) = b
((8 * -8 + a * -8) + a(8 + a)) = b
((-64 + -8a) + a(8 + a)) = b
(-64 + -8a + (8 * a + a * a)) = b
(-64 + -8a + (8a + a2)) = b

Combine like terms: -8a + 8a = 0
(-64 + 0 + a2) = b
(-64 + a2) = b

Solving
-64 + a2 = b

Solving for variable 'a'.

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

Add '64' to each side of the equation.
-64 + 64 + a2 = 64 + b

Combine like terms: -64 + 64 = 0
0 + a2 = 64 + b
a2 = 64 + b

Simplifying
a2 = 64 + b

Reorder the terms:
-64 + a2 + -1b = 64 + b + -64 + -1b

Reorder the terms:
-64 + a2 + -1b = 64 + -64 + b + -1b

Combine like terms: 64 + -64 = 0
-64 + a2 + -1b = 0 + b + -1b
-64 + a2 + -1b = b + -1b

Combine like terms: b + -1b = 0
-64 + a2 + -1b = 0

The solution to this equation could not be determined.

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