How do you solve (c + 1) ^ { 2} - 4( c + 1) + 3= 0(c+1)24(c+1)+3=0?

2 Answers
Jun 26, 2018

We can view this as a quadratic equation in c+1c+1 and factor that way:

0=(c+1)^2-4(c+1)+3=( (c+1)-3)((c+1)-1)=(c-2)c0=(c+1)24(c+1)+3=((c+1)3)((c+1)1)=(c2)c

c=2 or c=0c=2orc=0

Jun 26, 2018

c = {0,2} c={0,2}

Explanation:

Let c+1 = x c+1=x

=> x^2 -4x +3 = 0 x24x+3=0

=> (x-3)(x-1) = 0 (x3)(x1)=0

=> x = 3 x=3

=> x =1 x=1

Hence

c + 1 = 3 => c = 2 c+1=3c=2

c+1 = 1 => c = 0 c+1=1c=0

c = { 2,0} c={2,0}