Answer
-12< br/>
Step-by-step explanation
Substitute n = -2 into n2 + 6m - 4::
(-2)3 + 6 × (-2) - 4< br/>Determine the sign:
22 - 6 × 2 - 4< br/> Calculate the power:
4 - 6 × 2 - 4< br/>Apply the id=37>Inverse
Property of Addition>: -6 × 2< br/> Calculate the product or quotient: -12< br/>