0=v^2-28

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Solution for 0=v^2-28 equation: 


Simplifying
0 = v2 + -28

Reorder the terms:
0 = -28 + v2

Solving
0 = -28 + v2

Solving for variable 'v'.

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

Add '-1v2' to each side of the equation.
0 + -1v2 = -28 + v2 + -1v2
Remove the zero:
-1v2 = -28 + v2 + -1v2

Combine like terms: v2 + -1v2 = 0
-1v2 = -28 + 0
-1v2 = -28

Divide each side by '-1'.
v2 = 28

Simplifying
v2 = 28

Take the square root of each side:
v = {-5.291502622, 5.291502622}

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