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Simplifying
8q2 + -4 = 20
Reorder the terms:
-4 + 8q2 = 20
Solving
-4 + 8q2 = 20
Solving for variable 'q'.
Move all terms containing q to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + 8q2 = 20 + 4
Combine like terms: -4 + 4 = 0
0 + 8q2 = 20 + 4
8q2 = 20 + 4
Combine like terms: 20 + 4 = 24
8q2 = 24
Divide each side by '8'.
q2 = 3
Simplifying
q2 = 3
Take the square root of each side:
q = {-1.732050808, 1.732050808}
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