(4c-5)(5c+7)=o

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Solution for (4c-5)(5c+7)=o equation: 


Simplifying
(4c + -5)(5c + 7) = o

Reorder the terms:
(-5 + 4c)(5c + 7) = o

Reorder the terms:
(-5 + 4c)(7 + 5c) = o

Multiply (-5 + 4c) * (7 + 5c)
(-5(7 + 5c) + 4c * (7 + 5c)) = o
((7 * -5 + 5c * -5) + 4c * (7 + 5c)) = o
((-35 + -25c) + 4c * (7 + 5c)) = o
(-35 + -25c + (7 * 4c + 5c * 4c)) = o
(-35 + -25c + (28c + 20c2)) = o

Combine like terms: -25c + 28c = 3c
(-35 + 3c + 20c2) = o

Solving
-35 + 3c + 20c2 = o

Solving for variable 'c'.

Combine like terms: o + -1o = 0
-35 + 3c + 20c2 + -1o = 0

The solution to this equation could not be determined.

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