# What is the standard form of a polynomial (-4m^2+m-10) + (3m+12-7m^2)?

$- 4 {m}^{2} + \left(- 7 {m}^{2}\right) + m + 3 m - 10 + 12$ =
$- 11 {m}^{2} + 4 m + 2$