Answered

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Which expression is equivalent to 2m^2-m^2(7-m)+6m^2
1. m^2-m
2. -m^3+13m^2
3. -m^3+m^2
4. m^3+m^2

Sagot :

Answer:

Answer: 4. m³ + m²

Step-by-step explanation:

[tex]{ \rm{ {2m}^{2} - {m}^{2} (7 - m) + {6m}^{2} }} \\ \\ { \rm{ = {2m}^{2} - {7m}^{2} + {m}^{3} + 6 {m}^{2} }} \\ \\ { \rm{ = (2 - 7 + 6) {m}^{2} + {m}^{3} }} \\ \\ = { \rm{ {m}^{3} + {m}^{2} }}[/tex]

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