Find the solution of each following quadratic equation using quadratic formula.

1.
[tex] {x}^{2} + 10x + 9 = 0[/tex]
2.
[tex] {m}^{2} - 4m = - 12[/tex]
3.
[tex] {21}^{2} + 9 = - 7t[/tex]
4.
[tex] {9b}^{2} + - 72 = 0[/tex]
5.
[tex] {2w}^{2} + 4w = 3[/tex]
(complete solution po.brainliest may pinaka magandang sagot.thanks)