3d^2-12=36

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Solution for 3d^2-12=36 equation: 


Simplifying
3d2 + -12 = 36

Reorder the terms:
-12 + 3d2 = 36

Solving
-12 + 3d2 = 36

Solving for variable 'd'.

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

Add '12' to each side of the equation.
-12 + 12 + 3d2 = 36 + 12

Combine like terms: -12 + 12 = 0
0 + 3d2 = 36 + 12
3d2 = 36 + 12

Combine like terms: 36 + 12 = 48
3d2 = 48

Divide each side by '3'.
d2 = 16

Simplifying
d2 = 16

Take the square root of each side:
d = {-4, 4}

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