Answer:
4
Step-by-step explanation:
<span>3m + n is not a monomial since it is a binomial</span>
Y=-7x-5
9=-7(-2)-5
9=14-5
9=9
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Answer: -a2 - 2ab - b2 + 25 =
-1 • (a2 + 2ab + b2 - 25)
Final result :
-a2 - 2ab - b2 + 25
Step-by-step explanation: