d^2+4=40

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Solution for d^2+4=40 equation: 


Simplifying
d2 + 4 = 40

Reorder the terms:
4 + d2 = 40

Solving
4 + d2 = 40

Solving for variable 'd'.

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

Add '-4' to each side of the equation.
4 + -4 + d2 = 40 + -4

Combine like terms: 4 + -4 = 0
0 + d2 = 40 + -4
d2 = 40 + -4

Combine like terms: 40 + -4 = 36
d2 = 36

Simplifying
d2 = 36

Take the square root of each side:
d = {-6, 6}

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