9c + 10c² = 1 then what is value of c
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Answered by
0
Answer:
10c^2+9c-1=0
10c^+10c-c-1=0
10c(c+1)-1(c+1)=0
(10c-1)(c+1)=0
c=1/10 c=-1
Answered by
0
Answer:
c is 1/10 and -1
Step-by-step explanation:
9c + 10c² = 1
10c²+9c-1 = 0
sum = 9
product = -10
10c²+10c-1c-1 = 0
10c(c+1) -1(c+1) = 0
(10c-1)(c+1) = 0
10c-1 = 0
10c = 1
c = 1/10
c+1 = 0
c = -1
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