Question

Subtract :
-3m^2 + 6m +3 from 5m^2 -9

Answer 1

(25m^2-9) - ((9m^2)+6m+3)
25m^2-9m^2 -6m - 9 -3
16m^2 -9m^2 -12

Answer 2

$hey \: user \: here \: is \: ur \: solution \\ \\ (5m {}^{2} - 9) - ( - 3m {}^{2} + 6m + 3) \\ 5m { }^{2} + 3m {}^{2} - 6m - 9 - 3 \\ 8m { }^{2} - 6m - 12 \\ \\ \\ hope \: it \: helps \: u \: \: \\ mark \: me \: as \: brainliest \: plezz$