M=-5 so we plug it in
(-5*-5) + 6(-5) -9
Pemdas tells us to multiply first.
25 + (-30) - 9
No we add.
-5-9
Finally subtract, to leave us with the answer.
-14
So -14 is the answer.
Hope that helps! If it doesn't make sense let me know and ill re explain! good luck :)