d^2-8=0

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Solution for d^2-8=0 equation: 


Simplifying
d2 + -8 = 0

Reorder the terms:
-8 + d2 = 0

Solving
-8 + d2 = 0

Solving for variable 'd'.

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

Add '8' to each side of the equation.
-8 + 8 + d2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + d2 = 0 + 8
d2 = 0 + 8

Combine like terms: 0 + 8 = 8
d2 = 8

Simplifying
d2 = 8

Take the square root of each side:
d = {-2.828427125, 2.828427125}

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