Solve the following equation:

$${y}^{\u2033}+{y}^{\prime}+y=1+{e}^{-t}$$

After applying the Laplace transform and using partial fractions I have terms of the form:

$$\frac{1}{{s}^{2}+s+1}$$

and

$$\frac{s}{{s}^{2}+s+1}$$

which I don't know how to reverse transform.

$${y}^{\u2033}+{y}^{\prime}+y=1+{e}^{-t}$$

After applying the Laplace transform and using partial fractions I have terms of the form:

$$\frac{1}{{s}^{2}+s+1}$$

and

$$\frac{s}{{s}^{2}+s+1}$$

which I don't know how to reverse transform.