(9d-2)(7+8d)=c

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Solution for (9d-2)(7+8d)=c equation: 


Simplifying
(9d + -2)(7 + 8d) = c

Reorder the terms:
(-2 + 9d)(7 + 8d) = c

Multiply (-2 + 9d) * (7 + 8d)
(-2(7 + 8d) + 9d * (7 + 8d)) = c
((7 * -2 + 8d * -2) + 9d * (7 + 8d)) = c
((-14 + -16d) + 9d * (7 + 8d)) = c
(-14 + -16d + (7 * 9d + 8d * 9d)) = c
(-14 + -16d + (63d + 72d2)) = c

Combine like terms: -16d + 63d = 47d
(-14 + 47d + 72d2) = c

Solving
-14 + 47d + 72d2 = c

Solving for variable 'd'.

Reorder the terms:
-14 + -1c + 47d + 72d2 = c + -1c

Combine like terms: c + -1c = 0
-14 + -1c + 47d + 72d2 = 0

The solution to this equation could not be determined.

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