Question

3 m² -2m-7
m=2
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Answer 1

Answer:

3(2)Square - 2(2) -7

Step-by-step explanation:

3(4) - 4 -7

12 - 11

1

Answer 2

Step-by-step explanation:

3m²-2m-7

3×(2)²-(2×2)-7

12-4-7

12-11

1 .