The value of 3m² + 2m - 7, if m=-2 is _______ *
Answers
Answered by
0
Answer:
1
Step-by-step explanation:
3m^2+2m-7
m=-2
3(-2)^2+2(-2)-7
=3(4)-4-7
=12-11
=1
Answered by
0
Answer:
-47
Step-by-step explanation:
3m²+2m-7
m=-2
then, the expression becomes={3x(-2)}²+2x(-2)-7
=(-36)+2x(-2)-7
=(-36)+(-4)-7
=(-40)-7
=-47
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