Find all values of c such that

Step-by-step explanation:

c/(c - 5) = 4/(c - 4)

By Cross-multiplying,

We have c(c - 4) = 4(c - 5).

=> c² - 4c = 4c - 20

=> c² - 8c + 20 = 0

Since the discriminant is negative,

there are no real solutions for c.

However, there exist complex solutions for c.

Using the Quadratic Formula,

c = [8 ± √(-16)]/2

=> c = 4 ± √(-4)

=> c = 4 ± 4i or c = 4(1 ± i).

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72

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