(m2-m-4)+(m-5)

A: m^2-2m+9
B: m^2+2m-9
C: m^2-2m-9
D: m^2m+9

4 answers

combining like terms,

m^2 + (-1+1)m + (-4-5)
m^2 - 9

I suspect a typo somewhere above
You wrote the question wrong...
but start by simplifying

M^2 - m - 4 + m - 5 = m^2 + -m + -4 + m + -5

Now combine like terms:

m^2 + -m + -4 + m + -5
m^2 + -m + m + -4 + -5

Equals: m^2 -9
Add or subtract this 5
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(m
2
Could you please clarify the question? There seems to be missing information.