The Quadratic Formula

1. Solve for $x$. Enter the solutions from least to greatest.

$x2−8x+7=0$

2. Solve for $x$.

$x^{2}+16 x+64=0$

3. Solve for $x$. Enter the solutions from least to greatest.

$x^{2}+12 x+27=0$

4.Solve for $x$.

$x^{2}+10 x+25=0$