Respuesta :

Answer:

[tex]-5m^2+7m+8[/tex]

Step-by-step explanation:

We are given the equations

[tex](-m^2+6)+(-4m^2+7+2)[/tex]

We need to combine like terms. As there are no exponents or numbers outside the parenthesis, we can just drop them and add all like terms

[tex]-m^2+6-4m^2+7m+2\\\\-5m^2+7m+8[/tex]

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