# How do you simplify (7m^2 + 9m + 3) - (3m^2 + 8m + 2)?

$\left(7 {m}^{2} + 9 m + 3\right) - \left(3 {m}^{2} + 8 m + 2\right) = 4 {m}^{2} + m + 1$
$\left(7 {m}^{2} + 9 m + 3\right) - \left(3 {m}^{2} + 8 m + 2\right) = 4 {m}^{2} + m + 1$
${\Delta}_{m} = 1 - 4 \cdot 4 = - 15 < 0$