Question

4c^2=7c

The solution set is?

Answer 1

\[4c^2=7c\]\[4c^2-7c=0\]\[c(4c-7)=0\]
1. if c = 0 , 4c² − 7c = 0
2. if 4c−7 = 0, 4c² − 7c = 0

\[4c−7 = 0\]\[4c=7\]\[c=\frac{7}{4}\]
Answer:
\[c=0 , c=\frac{7}{4}\]

Answer 2

oh ok..because i ended up with 0, 1.75