Question

if ( x-1)2 = 8 what is the value of (x+1)2

Answer 1

(x-1)2 = 8
2x-2 = 8
2x = 10
x = 5
so,
(x+1)2 = (5+1)2 = (6)2 = 12

Answer 2

(x-1)2=8,2x-2=8,2x=8+2,2x=10,x=5
Now value of (x+1)2=(5+1)2=6*2=12.hope it will help you well.