Solve: 1 + sqrt (6 -n) = 3

Question

a) (-2)
b) none or 0
c) (2)
d) (2,-2)''.


c

Answer 1

1 + √(6-n) = 3
√(6-n) = 2
square both sides
6-n = 4
-n = -2
n = 2

Answer 2

thanks