D^2+4=49

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Solution for D^2+4=49 equation: 


Simplifying
D2 + 4 = 49

Reorder the terms:
4 + D2 = 49

Solving
4 + D2 = 49

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 = 49 + -4

Combine like terms: 4 + -4 = 0
0 + D2 = 49 + -4
D2 = 49 + -4

Combine like terms: 49 + -4 = 45
D2 = 45

Simplifying
D2 = 45

Take the square root of each side:
D = {-6.708203933, 6.708203933}

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