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Simplifying
7d2 + -6 = 0
Reorder the terms:
-6 + 7d2 = 0
Solving
-6 + 7d2 = 0
Solving for variable 'd'.
Move all terms containing d to the left, all other terms to the right.
Add '6' to each side of the equation.
-6 + 6 + 7d2 = 0 + 6
Combine like terms: -6 + 6 = 0
0 + 7d2 = 0 + 6
7d2 = 0 + 6
Combine like terms: 0 + 6 = 6
7d2 = 6
Divide each side by '7'.
d2 = 0.8571428571
Simplifying
d2 = 0.8571428571
Take the square root of each side:
d = {-0.9258201, 0.9258201}
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