Respuesta :

Jefrafra
Since we already know the value of m, this one is easy to solve. All we have to do is substitute in a -3 for every m in the equation.

m4-m3-2m2+10m+15
(-3)4-(-3)3-2(-3)2+10(-3)+15
-6

When m= -3, this expression equals -6.
XxStrangeGirlxX321
In this case sense its m= -3 then your answer is -6 

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good job