Question

3m³+2m²-3m+5 (m=-2)​

Answer 1

Answer:

-5

Step-by-step explanation:

3m³+2m²-3m+5

(applying m=-2)

3(-2)³+2(-2)²-3(-2)+5

3×(-8)+2×4-3×(-2)+5

-24+8+6+5

-24+19

-5

Answer 2

substitute the m=-2

3(-2)^3+2(-2)^2-3(-2)+5

3(-8)+2(4)+6+5

-24+8+6+5 (add all positive numbers)

-24+19

-5

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