Question

 Find the value of: x2 – 1/5 at x= -1.

Answer 1

x^2-1/5
x=-1
(-1)^2-1/5
1-1/5
1-0.2
0.8

Answer 2

${( - 1)}^{2} - \frac{1}{5}$
$1 - \frac{1}{5}$
$\frac{5 - 1}{5} = \frac{4}{5}$